SOCIAL SCIENCE ASIA Vol.4 No.3 July 2018 Official Journal of National Research Council of (NRCT) in conjunction with Maejo University

Advisory Board Prof. Sirirurg Songsivilai, M.D., Ph.D National Research Council of Thailand Assoc. Prof. Kowit Kangsanan, Ph. D National Institute of Development, Thailand Asst. Prof. Surat Horachaikul , Thailand Wiparat De-ong, Ph. D National Research Council of Thailand Asst. Prof. Chamnian Yosraj Maejo University, Thailand Asst. Prof. Dr. Thong Lian Bua Joom Maejo University, Thailand Asst. Prof. Dr. Kotchaporn Siripokakit Maejo University, Thailand Mr. Anek Bamrungkit National Research Council of Thailand

Editor Asst. Prof. Dr. Nikom Moonmuang Maejo University, Thailand Associate Editors Dr. Napat Ruangnapakul Maejo University, Thailand Editorial Board Prof. Lee, Jong-Young University of Suwon, South Korea Asst. Prof. Dr. Kiattipoom Kiatkawsin Sejong University, South Korea Prof. Emeritus, M.D. Sastri Saowakontha, Ph.D. Burapga University, Thailand Prof. Dr. Supa Pengpid , Thailand Prof. Dr. Kasem Jantaew , Thailand Asst. Prof. Dr. Tannomwong Kripet Chukalongkorn University, Thailand Asst. Prof. Dr. Sompong Witayakakpan University, Thailand Assoc. Prof. Dr. Ungsinun Intarakamhang Srinakharinwirot University, Thailand Assoc. Prof. Dr. Pinkaew Laungaramsri Chiangnai University, Thailand Assoc. Prof. Thany Sangkhaphanthanon Magasarakham University, Thailand Assoc. Prof. Aphilak Kasemphokoon Chulalongkorn University, Thailand Assoc. Prof. Dr. Ora-Ong Chakorn Mahidol University, Thailand Asst. Prof. Dr. Somkiat Chaiphiboon Maejo University, Thailand Asst. Prof. Dr. Nattaphol Haughamphan Maejo University, Thailand Asst. Prof. Dr. Laksana Sammanithi Maejo University, Thailand Assistant Professor Chondarong Thongsong Maejo University, Thailand Asst. Prof. Dr. Thanchanok Phetcharanon Maejo University, Thailand Dr. Sivarat Kusol Maejo University, Thailand Dr. Kesinee Weerasilp Maejo University, Thailand

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