ขวัญกิจวงศ์ธร ป, ตั้งคุณานันต์ ป, รัตนโอฬาร ธ. The Variables Affecting to Teaching Efficiency of Teachers in School Under Secondary Education Service Area Office 10. J. IND. EDUC. [Internet]. 2015 Dec. 31 [cited 2024 Apr. 28];14(3):452-9. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122561