Search History Select to load keywords (type equals "Thesis") AND (subject equals "ตัวเร่งปฏิกิริยา") AND (dateIssued equals "[2500 TO 2562]") AND (dateIssued equals "[2550 TO 2559]") (dateIssued equals "[2500 TO 2561]") AND (subject equals "ตะกั่วเป็นพิษ") AND (subject equals "ความปลอดภัยในงานอุตสาหกรรม") AND (author equals "ช เพิ่มสุข เพ็ชญไพศิษฏ์")
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