Search History Select to load keywords (type equals "Thesis") AND (subject equals "Catalysts") AND (author equals "Apirat Chaitanarit") AND (subject equals "Ethylene") AND (subject equals "แอลคีน") (author equals "พวงเพ็ญ ชุณหปราณ") AND (author equals "ปรารถนา หมี้แสน") AND (author equals "พรนิภา ลีละธนาฤกษ์") AND (subject equals "โรคเอดส์--การป้องกันและควบคุม")
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