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Study Report on Situation of Home-Based Workers' Groups In
Study Report on Situation of Home-based Workers’ Groups in Urban Areas and Target Groups under the Inclusive Urban Planning Project Submitted to Homenet South Asia Compiled by Foundation for Labour and Employment Promotion October 2010 Study Report on Home-based Workers’ Groups in Urban Areas October 2010 1 1. Background Home-based workers (HBWs)1 are generally poor, receiving low wages or income and working long hours, thus earning inadequate income to support their household expenses. These workers live in slum communities2 scattered in urban or suburban areas. As a result, it is difficult for them to organize. Their presence is virtually non-existent, not known or socially recognized, and not economically valued as a group of workers that contribute to the urban and national economy. Thus these HBWs have no participatory role in their local or community development planning. The Inclusive Urban Planning (IUP) Project is developed to build up and strengthen the capacity of HBW’s groups by supporting their organization in the form of membership- based organizations (MBOs)3. MBOs will act as representatives of the HBWs in presenting their problems and needs to government agencies so that these workers will be given a chance to participate in the urban planning process, which is suitable for their needs. This five-year Project (2009-2013) is carried out by Homenet Thailand and its collaborating non-governmental organizations. Homenet Thailand (HNT) was established in 1992 and registered as the Foundation for Labor and Employment Promotion in 2003. The Project’s major operation areas are Bangkok, Chiang Rai and Khon Kaen provinces. -
Complex Relationships Between Aedes Vectors, Socio-Economics and Dengue Transmission— Lessons Learned from a Case-Control Study in Northeastern Thailand
PLOS NEGLECTED TROPICAL DISEASES RESEARCH ARTICLE Complex relationships between Aedes vectors, socio-economics and dengue transmissionÐ Lessons learned from a case-control study in northeastern Thailand 1,2,3 4 5 Benedicte FustecID , Thipruethai Phanitchat , Mohammad Injamul HoqID , 2,6 2,6 7 Sirinart AromsereeID , Chamsai PientongID , Kesorn Thaewnongiew , 2,6 8,9 1,3 10☯ Tipaya EkalaksanananID , Michael J. Bangs , Vincent Corbel , Neal Alexander , a1111111111 Hans J. Overgaard11☯* a1111111111 a1111111111 1 University of Montpellier, Montpellier, France, 2 Department of Microbiology, Faculty of Medicine, Khon a1111111111 Kaen University, Khon Kaen, Thailand, 3 Institut de Recherche pour le Developpement, Montpellier, France, a1111111111 4 Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand, 5 School of Public Health, Epidemiology and Social Medicine at the Institute of Medicine, University of Gothenburg, Gothenburg, Sweden, 6 HPV & EBV and Carcinogenesis Research Group, Khon Kaen University, Khon Kaen, Thailand, 7 Office of Diseases Prevention and Control, Region, Khon Kaen, Thailand, 8 Public Health & Malaria Control, PT Freeport Indonesia/International SOS, Mimika, Papua, Indonesia, 9 Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand, 10 MRC OPEN ACCESS Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, United Kingdom, 11 Norwegian University of Life Sciences, Ås, Norway Citation: Fustec B, Phanitchat T, Hoq MI, -
Official Proceedings International Conference Researching Language, Culture, and Society (Rlcs 2018)
OFFICIAL PROCEEDINGS INTERNATIONAL CONFERENCE RESEARCHING LANGUAGE, CULTURE, AND SOCIETY (RLCS 2018) Hosted by: Faculty of Humanities and Social Sciences Mahasarakham University Maha Sarakham, Thailand The Research Institute of Northeastern Art and Culture Mahasarakham University Maha Sarakham, Thailand University of East Asia Yamaguchi, Japan Dates: February 23, 2018 Venue: Faculty of Humanities and Social Sciences Mahasarakham University Maha Sarakham, Thailand INTERNATIONAL CONFERENCE 2 RESEARCHING LANGUAGE, CULTURE, AND SOCIETY (RLCS 2018) Editorial Board 1. Assoc. Prof. Dr. Lindsay Miller University of Hong Kong, Hong Kong 2. Prof. Dr. Leo H. Aberion University of San Jose-Recoletos, The Philippines 3. Dr. John C. Helper Washington College, USA 4. Assoc. Prof. Dr. Ryuen Hiramatsu University of East Asia, Japan 5. Assoc. Prof. Dr. Hoang Thi Hue Hue University’s College of Education, Vietnam 6. Assoc. Prof. Dr. Pathom Hongsuwan Mahasarakham University, Thailand 7. Assoc. Prof. Dr. Somchai Phatharathananunth Mahasarakham University, Thailand 8. Assoc. Prof. Dr. Thananan Trongdee Mahasarakham University, Thailand 9. Asst. Prof. Dr. Kanokporn Rattanasuteerakul Mahasarakham University, Thailand 10. Asst. Prof. Dr. Somkiet Poopatwiboon Mahasarakham University, Thailand 11. Asst. Prof. Dr. Wilailak Onchit Mahasarakham University, Thailand 12. Asst. Prof. Dr. Savittri Ratanopad Suwanlee Mahasarakham University, Thailand 13. Asst. Prof. Dr. Chalong Phanchan Mahasarakham University, Thailand 14. Asst. Prof. Dr. Theera Roungtheera Mahasarakham -
Preserving Temple Murals in Isan: Wat Chaisi, Sawatthi Village, Khon Kaen, As a Sustainable Model1
Preserving Temple Murals in Isan: Wat Chaisi, Sawatthi Village, Khon Kaen, as a Sustainable Model1 Bonnie Pacala Brereton Abstract—Wat Chaisi in Sawatthi village, Sawatthi District, located about twenty kilometers from the bustling provincial capital of Khon Kaen, is a unique example of local cultural heritage preservation that was accomplished solely through local stakeholders. Its buildings, as well as the 100 year-old murals on the ordination hall, have been maintained and are used regularly for merit- making and teaching. The effort was initiated by the abbot and is maintained through the joint effort of the wat community, Khon Kaen Municipality, and various individuals and faculties at Khon Kaen University. This paper will examine the role of local leadership in promoting local cultural heritage. Introduction Of the more than 40,000 Buddhist wats in Thailand seventeen percent, or nearly 7,000, are abandoned.2 Of those still in use, many are becoming increasingly crammed with seemingly superfluous new structures, statues, and decorations, funded by people seeking fame or improvement in their karmic status. Still others are thriving because of the donations they attract through their association with what is sometimes called “popular Buddhism,” a hodgepodge of beliefs in magical monks, amulets, saints, and new rituals aimed at bringing luck and financial success (Pattana 2012). Yet countless others are in a moribund state, in some cases tended by one or two elderly, frail monks who lack the physical and financial resources to maintain them. Both situations are related to the loss of cultural heritage, as countless unique 1 This paper is adapted from one presented at the Fifth International Conference on Local Government, held in Palembang, Indonesia, September 17-19, 2014. -
GIS Identifies Elderly Healthcare Centre Future Planning: a Case Study of Local Areas in Northeast of Thailand
630 Public Health and Informatics J. Mantas et al. (Eds.) © 2021 European Federation for Medical Informatics (EFMI) and IOS Press. This article is published online with Open Access by IOS Press and distributed under the terms of the Creative Commons Attribution Non-Commercial License 4.0 (CC BY-NC 4.0). doi:10.3233/SHTI210247 GIS Identifies Elderly Healthcare Centre Future Planning: A Case Study of Local Areas in Northeast of Thailand Niruwan TURNBULLa,1, Jaturong SOM-ADb , Savitree Ratanaopad SUWANLEEb and Adisorn WONGKONGDECHa a Faculty of Public Health, Mahasarakham University, Thailand b Faculty of Humanities and Social Sciences, Mahasarakham University, Thailand Abstract. Spatial density measures are an important tool for future healthcare planning, particularly in Northeast Thailand where the ageing population has rapidly increased for a decade. The objective of this study was to determine the relationship of geographic and elderly population density in Chiang Yuen district, Mahasarakham province, to ascertain suitable areas for elderly healthcare centres. The data of the elderly located in the villages were collected by the Global Position System (GPS) using Kernel density method to employ the analysis of population density, and GIS for healthcare mapping, and Analytical Hierarchy Process (AHP) as multiple criteria decision-making tools. Factors were determined by using the overlay analysis method, where social, physical and economic factors were variables of interest that were used for the analysis of suitable areas for Elderly Healthcare Centres. The results revealed that the spatial density of the elderly population could be divided into four levels: Low density for the agriculture areas, medium density for agricultural areas including small villages. -
Thailand Vtbb (Bangkok (Acc/Fic/Com Centre)) Notam
THAILAND NOTAM LIST INTERNATIONAL NOTAM OFFICE SERIES J Telephone : +66 2287 8202 AERONAUTICAL INFORMATION MANAGEMENT CENTRE AFS : VTBDYNYX AERONAUTICAL RADIO OF THAILAND Facsimile : +66 2287 8205 REFERENCE NO. VTBDYNYX P.O.BOX 34 DON MUEANG E-MAIL : [email protected] 6/19 www.aerothai.co.th BANGKOK 10211 THAILAND 01 JUN 2019 TheAEROTHAI following : www.aerothai.co.th NOTAM series J were still valid on 01 JUN 2019, NOTAM not included have either been cancelled, time expired or superseded by AIP supplement or incorporated in the AIP-THAILAND. VTBB (BANGKOK (ACC/FIC/COM CENTRE)) J0822/19 1903200142/1906301100 TEMPO RESTRICTED AREA ACT RADIUS 1NM CENTRE 142930N1013146E (PAK CHONG DISTRICT NAKHON RATCHASIMA PROVINCE) 6000FT AGL LOWER LIMIT: GND UPPER LIMIT: 6000FT AGL J0940/19 1904010000/1906301100 DLY 0000-1100 PJE WILL TAKE PLACE RADIUS 3NM CENTRE 130825N1010248E (SI RACHA DISTRICT CHON BURI PROVINCE) LOWER LIMIT: GND UPPER LIMIT: 9000FT AMSL J0945/19 1904010200/1906300900 DLY 0200-0300 0400-0500 0600-0700 AND 0800-0900 PJE WILL TAKE PLACE RADIUS 3NM CENTRE 130825N1010248E (SI RACHA DISTRICT CHON BURI PROVINCE) LOWER LIMIT: GND UPPER LIMIT: FL130 J1423/19 1905242300/1906030900 DLY 2300-0900 PJE WILL TAKE PLACE RADIUS 5NM CENTRE 144848.60N1004100.25E (MUEANG DISTRICT LOP BURI PROVINCE) LOWER LIMIT: GND UPPER LIMIT: FL135 J1424/19 1906042300/1906151100 DLY 2300-1100 PJE WILL TAKE PLACE RADIUS 5NM CENTRE 144848.60N1004100.25E (MUEANG DISTRICT LOP BURI PROVINCE) LOWER LIMIT: GND UPPER LIMIT: FL135 J1471/19 1905010222/1907311100 TEMPO -
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Volume 3 Number 2, July – December 2016 Stamford International University Research and Development Center 16 Motorway Road, Prawet, Bangkok 10250, Thailand Telephone +66 02 769 4000 © Stamford International University 2015 ASEAN Journal of Management & Innovation Volume 3 Number 2 July - December 2016 PERIODICITY Twice Yearly First Issue: January – June Second Issue: July – December Website: ajmi.stamford.edu All Correspondence should be addressed to: [email protected] ISSN 2351-0307 AJMI Statement of Editorial Policy The goal of the ASEAN Journal of Management & Innovation (AJMI) is to publish insightful, original and timely research that describes or potentially impacts management and/or innovation that has the potential to be applied in the ASEAN context. Topics that are either distinctly ASEAN-related, or are regional or international in scope are encouraged. AJMI is multidisciplinary in scope and interdisciplinary in research methodology and content. AJMI accepts papers that initiate or redirect a line of inquiry as well as papers that provide new insights into previous work. Volume 3 Number 2, July – December 2016 Editor in Chief Dr. Apitep Saekow Stamford International University, Thailand Senior Consulting Editors Dr. Andrew David Leslie Scown Stamford International University, Thailand Editorial Advisory Board Prof. Dr. Rahmah Rahmah binti Mohamed INTI International University Prof. Josu Takala University of Vaasa, Finland Assoc. Prof. Dr. Kosoom Saichai Rajapruk University, Thailand Assoc. Prof. Dr. Pongjan Yoopat Rangsit University, Thailand Assoc. Prof. Dr. Tippaporn Mahasinpaisan Panyapiwat Institute of Management Assoc. Prof. Napat Watjanatepin Rajamangala University of Technology Suvarnabhumi, Thailand Dr. Lavanchawee Sujarittanonta Shinawatra University, Thailand Asst. Prof. Dr. Sa-ard Banchirdrit Stamford International University, Thailand Asst. -
1 International MICE Conference and Forum
th th 29 – 30 August 2018 Bangkok, Thailand 1 International MICE Conference and Forum Copyright@2018 Thailand Convention and Exhibition Bureau and respective authors | All right reserves Committee Structure Academic Committee Dr. Young Hoon Kim Chair of Academic Committee, Associate Professor of Hospitality and Tourism Management and Co-Director of Sport and Event Management Laboratory at University of North Texas Assoc. Prof. Dr. Bongkosh N. Rittichainuwat Siam University Assoc. Prof. Dr. Ranee Esichaikul Sukhothai Thammathirat Open University Asst. Prof. Lt. Dr. Kaedsiri Jaroenwisan Silpakorn University Asst. Prof. Dr. Donruetai Kovathanakul Khon Khaen University Dr. Sarinya Sungkatavat Mahidol University International College Dr. Wanamina Waehama Prince of Songkla University Dr. Pairach Piboonrungroj Chiang Mai University Dr. Jin Young Chung Incheon National University International College Hosted Committee: Thailand Convention and Exhibition Bureau Mrs. Supawan Teerarat Senior Vice President Strategic Business Development and Innovation Mrs. Orachorn Wongpan-ngam Director of MICE Capabilities Development Department Ms. Areerat Montreepreechachai Senior Manager of MICE Capabilities Development Department Ms. Thanawan Watcharapantee Senior Executive of MICE Capabilities Development Department 1 Industry Committee Mr. Sermkhun Kunawong Chairman of Business of Creative and Event Management Association (EMA) Mr. Talun Theng President of Thai Exhibition Association (TEA) Ms. Supawan Tanomkieatipume President of Thai Hotel Association (THA) Mr. Sumate Sudasna President of Thailand Incentive and Convention Association (TICA) Mr. Ittipol Sureerat Business of Creative and Event Management Association (EMA) Mrs. Netnipa Sinjanakom Business of Creative and Event Management Association (EMA) Mrs. Warapun Sapthanaudom Business of Creative and Event Management Association (EMA) Mr. Nuttacom Rungrassamee Thai Exhibition Association (TEA) Mrs. Premporn Saisaengchan Thai Exhibition Association (TEA) Mrs. -
Infected Areas As on 18 February 1988 — Zones Infectées Au 18 Février 1988 for Cmeria Used M Compiling This List, See No
Wkiy Epèdem, Bac No 8 - 19 February 1988 - 5 4 - JUsvtf épidàm, hebd. ; N° 8 - 19 févner 1988 PORTS DESIGNATED IN APPLICATION PORTS NOTIFIÉS EN APPLICATION OF THE INTERNATIONAL HEALTH REGULATIONS DU RÈGLEMENT SANITAIRE INTERNATIONAL Amendment to 1984 publication Amendement à la publication de 1984 D EX Spain Espagne Delete - Supprimer : Santa Cruz de Tenerife ............ X Insert - Insérer: Santa Cruz de Tenerife ..... X X INFLUENZA GRIPPE Sweden (31 January 1988). — The number of cases of Suède (31 janvier 1988). — Le nombre de cas de maladies d’allure influenza-like illness has increased slightly. So far, 1 case of grippale a légèrement augmenté. Jusqu’ici, 1 cas de grippe B a été influenza B has been confirmed in a 34-year-old woman. confirmé chez une femme de 34 ans. Infected Areas as on 18 February 1988 — Zones infectées au 18 février 1988 For cmeria used m compiling this list, see No. 50, page 384 - Les critères appliqués pour la compilation de cette liste sont publiés dans le N°50, page 384. X Newly reported areas - Nouvelles zones signalées PLAGUE - PESTE BRAZIL - BRÉSIL CHOLERA - CHOLÉRA MAU Africa — Afrique Bahia State Africa - Afrique Kayes Région MADAGASCAR Central Murucipio ANGOLA Kayes Cercle Coaceiçâo Murucipio Kouhkoro Région Antananarivo Province X Bengo Province Feira de Santana Murucipio N ara Cercle Antsirabe II S Pref X Benguela Province Reurolandia Municipio Ambohu&imanova District X Kwansa-Noru Province MAURITANIA - MAURITANIE Manandona District Riachâo do Jacuipe Municipio X Ktuanza-Sul Province Nouakchott D um a Soanindrarmy District Sernnha Municipio Luanda Province l M Région Teofilândia Municipio Vinamnkarena District Luanda, Cap Hodh el Chargui Miannanvo S. -
Prachinburi.Pdf
Cover+Inner CS3 n M21.indd 1 10/20/11 11:18:05 PM Cover+Inner CS3 n M21.indd 1 10/20/11 11:18:05 PM TOURISM AUTHORITY OF THAILAND TOURISM AUTHORITY OF THAILAND, Website : www.tat8.com Areas of Responsibility : Cover+Inner CS3 n M21.indd 2 10/6/11 4:28:56 PM TOURISM AUTHORITY OF THAILAND TOURISM AUTHORITY OF THAILAND, Website : www.tat8.com Areas of Responsibility : Cover+Inner CS3 n M21.indd 2 10/6/11 4:28:56 PM CONTENTS HOW TO GET THERE 5 ATTRACTIONS 7 Amphoe Mueang Prachin Buri 7 Amphoe Ban Sang 14 Amphoe Si Mahosot 14 Amphoe Si Maha Phot 17 Amphoe Prachantakham 20 Amphoe Kabin Buri 21 Amphoe Na Di 22 ATTRACTION IN A MILITARY CAMP SITE 25 EVENTS AND FESTIVALS 26 LOCAL PRODUCTS AND SOUVENIRS 29 INTERESTING ACTIVITIES 32 EXAMPLES OF TOUR PROGRAMMES 38 SUGGESTIONS FOR TOURISTS 42 FACILITIES IN PRACHIN BURI 42 Accommodation 42 Restaurants 47 USEFUL CALLS 50 4 Ton Pho Si Maha Pho (The Great Bodhi Tree) PRACHIN BURI 5 Located about 135 kilometres northeast of Bangkok, Prachin Buri, a province next to the border, covers a total area of approximately 4,762 square kilometres. Once a prosperous town since the Dvaravati until the Lop Buri period, dating back 800 years ago, proven by traces of ancient towns like Mueang Si Mahosot, located at Tambon Khok Pip, Amphoe Si Mahosot, as well as, another ancient community, built around the same period as Mueang Si Mahosot and situated to the east of it, located at Ban Khok Khwang, Amphoe Si Maha Phot. -
วารสารการบริหารท้องถิ่น ปีที่ 10 ฉบับที่ 3 (กรกฎาคม-กันยายน 2560) 1 รายนามผูทรงคุณวุฒใิ นการพิจารณาบทความ (Peer Reviewers) ที่เผยแพรในวารสารการบริหารทองถิ่น
วารสารการบริหารท้องถิ่น ปีที่ 10 ฉบับที่ 3 (กรกฎาคม-กันยายน 2560) 1 รายนามผูทรงคุณวุฒใิ นการพิจารณาบทความ (Peer Reviewers) ที่เผยแพรในวารสารการบริหารทองถิ่น รศ. ดร. สุกัญญา เอมอิ่มธรรม มหาวิทยาลัยขอนแกน รศ. ดร. สุวรี ฤกษจ ารี มหาวิทยาลัยขอนแกน ดร. วิษณุ สุมิตสวรรค มหาวิทยาลัยขอนแกน ผศ. ดร. ศิวัช ศรีโภคางกุล มหาวิทยาลัยขอนแกน ดร. กฤชวรรธน โลหวัชรนิ ทร มหาวิทยาลัยขอนแกน ศ. ดร. กาญจนา เงารังษี มหาวิทยาลัยนเรศวร รศ. ดร. อรรณพ พงษวาท มหาวิทยาลัยเชยี งใหม รศ. ดร. ศรุดา สมพอง มหาวิทยาลัยรามคาํ แหง ดร. หควณ ชูเพ็ญ นักวิชาการอิสระ ดร. กัลยา แซอั้ง มหาวิทยาลัยศรีนครินทรวิโรฒ รศ. ดร. สมเกียรติ สายธนู มหาวิทยาลัยราชภฎั ลําปาง ผศ. ดร. ไตรรงค สวัสดิกุล มหาวิทยาลัยมหาสารคาม ผศ. ดร. วินัย ผลเจริญ มหาวิทยาลยั มหาสารคาม ผศ. ดร. อลงกรณ อรรคแสง มหาวิทยาลัยมหาสารคาม ดร. ไชยณรงค เศรษฐเชื้อ มหาวิทยาลยั มหาสารคาม รศ. ธีรชัย บญุ มาธรรม มหาวิทยาลัยราชภฎั มหาสารคาม ดร. ประเทือง มวงออน มหาวิทยาลัยอุบลราชธานี ดร. ฐิตพิ ล ภักดวี านิช มหาวิทยาลัยอุบลราชธาน ี ดร. จันทรา ธนะวัฒนาวงศ มหาวิทยาลัยอุบลราชธานี ผศ. ดร. อรทัย เลียงจินดาถาวร มหาวิทยาลัยราชภฏั อุบลราชธาน ี ดร. สิริภาพรรณ ลี้ภยั เจริญ มหาวิทยาลัยราชภฏั อุบลราชธาน ี ดร. ผกาวดี พรรณจิตวณา มหาวิทยาลัยรามคําแหง รศ. ดร. อัชกรณ วงศปรีดี สถาบันบัณฑิตพัฒนบริหารศาสตร ผศ. ดร. ปนกนก วงศป นเพ็ชร มหาวิทยาลัยเทคโนโลยีพระจอมเกลาพระนครเหนือ ผศ. ดร. ธนศักดิ์ สายจําปา มหาวิทยาลัยสโุ ขทัยธรรมาธิราช ผศ. ดร. โอฬาร ถิ่นบางเตยี ว มหาวิทยาลัยบูรพา ดร. จักรชัย สื่อประเสริฐสิทธิ์ มหาวิทยาลัยบูรพา ดร. กาญจนา บญุ ยัง มหาวิทยาลัยบูรพา ผศ. ดร. ชนิษฎา ชูสุข มหาวิทยาลยั สงขลานครินทร ผศ. ดร. กตัญู แกวหานาม มหาวิทยาลัยกาฬสินธุ วารสารการบริหารท้องถิ่น -
A Study on the Characteristics of Farmers' Management Capability In
A Study on the Characteristics of Farmers’ Management Capability in Thailand (ࢱ࠾ࡅࡿ㎰ᐙࡢ⤒Ⴀ⬟ຊࡢ≉ᚩ㛵ࡍࡿ◊✲) PANATDA UTARANAKORN The United Graduate School of Agricultural Sciences, Tottori University, Japan 2016 A Study on the Characteristics of Farmers’ Management Capability in Thailand (ࢱ࠾ࡅࡿ㎰ᐙࡢ⤒Ⴀ⬟ຊࡢ≉ᚩ㛵ࡍࡿ◊✲) By Panatda Utaranakorn A Dissertation Submitted to the United Graduate School of Agricultural Sciences, Tottori University, Japan In partial fulfillment of the requirement for the degree of DOCTOR OF PHILOSOPHY IN MANAGERIAL ECONOMICS Supervisors: Professor Dr. Hideo FURUTSUKA (April 2016 – September 2016) Professor Dr. Kumi YASUNOBU Associate Professor Dr. Norikazu INOUE (October 2014 – September 2016) Professor Dr. Hajime KOBAYSHI (October 2013 – March 2016) Associate Professor Dr. Akira ISHIDA (October 2013 – September 2014) 2016 Acknowledgement I would firstly like to express my sincere gratitude to the Ministry of Education, Culture, Sports, Science and Technology of the Government of Japan for offering me the Japanese government scholarship (Monbukagakusho) to pursue higher studies in Japan. I am deeply grateful to my advisors, Prof. Kumi YASUNOBU for the continuous support of my study and related research, for her patience, motivation, and immense knowledge. Her guidance helped me in all the time of research and writing of this thesis. I could not have imagined having a better advisor and mentor for my study. Besides my advisor, I would like to thank the rest of my academic supervisors: Prof. Hajime KOBAYASHI, Prof. Hideo FURUTSUKA, Prof. Norikazu INOUE and Prof. Akira ISHIDA, for their insightful comments and encouragement, but also for the hard question which incented me to widen my research from various perspectives.