Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2550 TO 2559]") AND (author equals "สุทธิลักษณ์ ปทุมราช") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Academic achievement") AND (subject equals "Mathematics -- Study and teaching (Secondary)") AND (dateIssued equals "[2540 TO 2549]") AND (subject equals "High school students -- Thailand -- Trang")
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