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*Akira Miyahigashi
Graduate School of Science, Fukuoka University
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Katsumi Ueno
Faculty of Science, Fukuoka University
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Thasinee Charoentitirat
Faculty of Science, Chulalongkorn University, Thailand
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Yoshihito Kmata
Graduate School of Lafe and Environmental Science, University of Tsukuba
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Apsorn Sardsud
Department of Mineral resources, Thailand