Vol. 20 No. 1, June 1998

Table of Contents

Articles

S. Tia, P. Chaivatamasath, V. Jumnongpon, S. Manomaiwong
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Surendra Prasad
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, Messan Gnininvi
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Somchart Soponronnarit, Adisak Nathakaranakule, Somboon Wetchacama, Thanit Swasdisevi, Prathan Rukprang
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Mohammad Nurul Islam, Farid Nasir Ani
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