Search History Select to load keywords (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนมัธยมศึกษา") AND (dateIssued equals "[2540 TO 2549]") AND (subject equals "Environmental sciences") AND (subject equals "Web-based instruction") AND (subject equals "วิทยาศาสตร์สิ่งแวดล้อม") (author equals "ชัชวาล ใจซื่อกุล") AND (author equals "มาลินี ฉัตรมงคลกุล") AND (dateIssued equals "2553") AND (author equals "นพดล กิตนะ") AND (subject equals "Biodiversity conservation") AND (author equals "สุชนา ชวนิตย์")
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