Search History Select to load keywords (type equals "Thesis") AND (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนมัธยมศึกษา") AND (subject equals "Academic achievement") AND (dateIssued equals "[2520 TO 2529]") AND (subject equals "High school students") AND (subject equals "Environmental sciences") AND (subject equals "ทัศนคติเชิงวิทยาศาสตร์")
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