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by Verapol Chandeying, Juthawan Sangchuang, Somchai Tungphaisal, Sonthit Sutthijumroon, Piyarat Sinpisut, Oermporn Krisanapan, Daungporn Kanjanatid, Chompunut Wongwantanee, Kallaya Chaimanee
Published 1992
Get full textPublished 1992
Research Report