Search History Select to load keywords (author equals "ผุสตี ปริยานนท์") AND (author equals "นงเยาว์ จันทร์ผ่อง") AND (subject equals "กบนา") AND (author equals "กัมพล อิศรางกูร ณ อยุธยา") AND (author equals "สีมา ชัยสวัสดิ์") (dateIssued equals "[1957 TO 1999]") AND (dateIssued equals "[1990 TO 1999]") AND (subject equals "Polystyrene") AND (subject equals "Polymers") AND (subject equals "โพลิเมอไรเซชัน")
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