Search History Select to load keywords (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Academic achievement") AND (subject equals "Mathematics -- Study and teaching (Secondary)") AND (subject equals "Concepts") AND (subject equals "Mathematical ability") (author equals "วิเชฏฐ์ คนซื่อ") AND (subject equals "Sea turtles") AND (author equals "มุกเรขา เชี่ยวชาญชัย") AND (author equals "ยุพาพร วิสูตร") AND (dateIssued equals "2560")
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