Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (subject equals "Academic achievement") AND (dateIssued equals "[2530 TO 2539]") AND (subject equals "คณิตศาสตร์ -- การศึกษาและการสอน (ประถมศึกษา)") AND (dateIssued equals "2533") AND (subject equals "Mathematics -- Study and teaching (Elementary)") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (dateIssued equals "[2500 TO 2564]") AND (subject equals "Mathematics -- Study and teaching (Secondary)") AND (subject equals "Concepts") AND (subject equals "Mathematical ability") AND (dateIssued equals "2551")
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