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บ้านสระ อ. GENERAL ADMINISTRATION GUIDELINES FOR SCHOOL UNDER PATHUM THANI PRIMARY EDUCATIONAL SERVICE AREA OFFICICE 2. ptujournal [Internet]. 2021 Dec. 29 [cited 2024 Apr. 29];13(2):185-202. Available from: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/252305