Browsing by Author "Koomvutiworn, Pavika"

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Browsing by Author "Koomvutiworn, Pavika"

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  • Siriwichai, Chalermporn; Wongmasa, Anan; Putrakool, Amornrat; Koomvutiworn, Pavika; Supatham, Viwat (1999)