Search History Select to load keywords (author equals "ชัชวาล ใจซื่อกุล") AND (subject equals "Biological diversity") AND (subject equals "คุณภาพสิ่งแวดล้อม") AND (subject equals "ไร") AND (author equals "มารุต เฟื่องอาวรณ์") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Academic achievement") AND (subject equals "Mathematics -- Study and teaching (Secondary)") AND (subject equals "Cognition") AND (subject equals "คณิตศาสตร์ -- การศึกษาและการสอน (มัธยมศึกษา)")
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