Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2530 TO 2539]") AND (dateIssued equals "2534") AND (author equals "กมล สุปรียสุนทร") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนมัธยมศึกษา") AND (dateIssued equals "[2540 TO 2549]") AND (subject equals "Environmental sciences") AND (subject equals "Web-based instruction")
Use filters to refine the search results.