Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Academic achievement") AND (subject equals "Learning") AND (subject equals "Concepts") AND (dateIssued equals "2546") AND (author equals "จิราพร อุดมกิจพิพัฒน์")
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