Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (subject equals "Engineering") AND (author equals "กนกพล โรจนกิจ") AND (subject equals "Electric power-plants") AND (subject equals "Economics") AND (subject equals "Energy") (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2530 TO 2539]") AND (subject equals "Activity programs in education") AND (subject equals "สังคมศึกษา -- การศึกษาและการสอน (มัธยมศึกษา)")
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