Search History Select to load keywords (type equals "Thesis") AND (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polyethylene") AND (subject equals "Copolymers") AND (author equals "Parichart Limsila") AND (subject equals "โพลิเมอร์ผสม") AND (subject equals "ยาง") AND (subject equals "มาลีอิกแอนไฮไดรด์") (type equals "Thesis") AND (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนมัธยมศึกษา") AND (dateIssued equals "[2520 TO 2529]") AND (subject equals "High school students") AND (subject equals "Environmental sciences") AND (author equals "ราตรี อิ้วสวัสดิ์") AND (subject equals "Academic achievement")
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