Search History Select to load keywords (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนประถมศึกษา") AND (subject equals "Academic achievement") AND (dateIssued equals "[2530 TO 2539]") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Academic achievement") AND (subject equals "Mathematics -- Study and teaching (Secondary)") AND (dateIssued equals "[2540 TO 2549]") AND (author equals "รุ่งนภา ทศภานนท์")
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