Search History Select to load keywords (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polymerization") AND (subject equals "เอทิลีน") AND (subject equals "ตัวเร่งปฏิกิริยาเมทัลโลซีน") AND (author equals "Punlop Horharin") (author equals "ชัชวาล ใจซื่อกุล") AND (dateIssued equals "[2550 TO 2559]") AND (subject equals "การอนุรักษ์ความหลากหลายทางชีวภาพ") AND (author equals "มาลินี ฉัตรมงคลกุล") AND (subject equals "Biodiversity conservation")
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