Search History Select to load keywords (type equals "Thesis") AND (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนมัธยมศึกษา") AND (subject equals "Educational psychology") AND (subject equals "Academic achievement") AND (subject equals "High school students") AND (subject equals "Motivation in education")
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