Search History Select to load keywords (author equals "ทิพยเนตร อริยปิติพันธ์") AND (author equals "ประวิตร เจนวรรธนะกุล") AND (author equals "ปราณีต เพ็ญศรี") AND (subject equals "อาหาร -- คุณภาพ") (type equals "Thesis") AND (subject equals "Catalysts") AND (subject equals "ตัวเร่งปฏิกิริยา") AND (dateIssued equals "[1992 TO 1999]") AND (subject equals "Dehydrogenation")
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