Search History Select to load keywords (type equals "Thesis") AND (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polyethylene") AND (subject equals "Fillers (Materials)") (type equals "Thesis") AND (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "การเรียนรู้") AND (author equals "จตุพร สมดี") (type equals "Thesis") AND (dateIssued equals "[1957 TO 1999]") AND (dateIssued equals "[1990 TO 1999]")
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