Search History Select to load keywords (author equals "ผุสตี ปริยานนท์") AND (author equals "รชตะ มณีอินทร์") AND (author equals "ภาณุพงศ์ ธรรมโชติ") AND (author equals "จิรารัช กิตนะ") AND (author equals "ยุพาพร วิสูตร") (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polyethylene") AND (subject equals "โพลิเอทิลีน") AND (dateIssued equals "1998") AND (subject equals "Hexane")
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