Search History Select to load keywords (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "การแก้ปัญหา") AND (subject equals "Learning, Psychology of") AND (subject equals "Academic achievement") AND (author equals "ประยูร บุญใช้") (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2510 TO 2519]") AND (dateIssued equals "2510") AND (subject equals "Achievement motivation") AND (subject equals "Adolescent psychology")
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