Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2540 TO 2549]") AND (author equals "สมหวัง พิธิยานุวัฒน์") AND (subject equals "ทุนการศึกษา") (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2540 TO 2549]") AND (author equals "สมหวัง พิธิยานุวัฒน์") AND (dateIssued equals "2546") (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polystyrene")
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