Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2550 TO 2559]") AND (subject equals "โรงเรียน -- การบริหาร") AND (subject equals "ประกันคุณภาพ") AND (subject equals "Quality control") AND (subject equals "School management and organization") AND (subject equals "Quality assurance") AND (subject equals "Private schools -- Management") (subject equals "ผลสัมฤทธิ์ทางการเรียน") AND (subject equals "Science -- Study and teaching (Secondary)") AND (dateIssued equals "[2550 TO 2557]") AND (subject equals "Teaching") AND (author equals "อำพล ขวัญพัก") AND (subject equals "การสอน") (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2530 TO 2539]") AND (subject equals "ต้นทุน") AND (author equals "นฤมล สิงห์ดง")
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