Search History Select to load keywords (subject equals "Academic achievement") AND (subject equals "Mathematics -- Study and teaching") AND (author equals "อิทธิพงษ์ ตั้งสกุลเรืองไล") AND (subject equals "นักเรียนประถมศึกษา") (dateIssued equals "[1957 TO 1999]") AND (dateIssued equals "[1990 TO 1999]") AND (dateIssued equals "1992") AND (subject equals "Acids")
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