Search History Select to load keywords (type equals "Thesis") AND (subject equals "Catalysts") AND (subject equals "ตัวเร่งปฏิกิริยา") AND (subject equals "โพลิเมอไรเซชัน") AND (subject equals "Polymerization") (type equals "Thesis") AND (subject equals "Catalysts") AND (author equals "Apirat Chaitanarit") AND (subject equals "Ethylene") AND (dateIssued equals "2012")
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