Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2540 TO 2549]") AND (subject equals "การเรียนรู้") AND (subject equals "ระบบการเรียนการสอน") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Computer-assisted instruction") AND (subject equals "Academic achievement") AND (subject equals "Atmosphere -- Study and teaching (Secondary)")
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