Search History Select to load keywords (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "กิจกรรมการเรียนการสอน") AND (subject equals "Mathematics -- Study and teaching (Secondary)") AND (subject equals "Academic achievement") AND (subject equals "High school students -- Thailand -- Trang") (author equals "ชัชวาล ใจซื่อกุล") AND (author equals "อาจอง ประทัตสุนทรสาร") AND (author equals "นพดล กิตนะ") AND (dateIssued equals "2550") AND (author equals "ภัทรดร ภิญโญพิชญ์") AND (author equals "นนทิวิชญ ตัณฑวณิช")
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