Samakkit K, Boontham T. THE RELATIONSHIP BETWEEN THE ADMINISTRATORS’ ROLES AND THE LEARNING MANAGEMENT OF STEM EDUCATION IN SCHOOLS UNDER PATHUM THANI PRIMARY EDUCATIONAL SERVICE AREA. J. IND. EDUC. [Internet]. 2019 Aug. 25 [cited 2024 Apr. 20];18(2):140-7. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/174290