Search History Select to load keywords (type equals "Thesis") AND (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "นักเรียนมัธยมศึกษา") AND (dateIssued equals "[2520 TO 2529]") AND (subject equals "High school students") AND (subject equals "Environmental sciences") AND (subject equals "Academic achievement") (author equals "ลัญฉกร วุฒิสิทธิกุลกิจ") AND (author equals "สมชาย จิตะพันธ์กุล") AND (subject equals "สิ่งประดิษฐ์") AND (author equals "ประสิทธิ์ ทีฆพุฒิ") AND (dateIssued equals "2547") AND (subject equals "นวัตกรรมทางเทคโนโลยี")
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