สมัครกิจก., and บุญธรรมต. “THE RELATIONSHIP BETWEEN THE ADMINISTRATORS’ ROLES AND THE LEARNING MANAGEMENT OF STEM EDUCATION IN SCHOOLS UNDER PATHUM THANI PRIMARY EDUCATIONAL SERVICE AREA”. Journal of Industrial Education, Vol. 18, no. 2, Aug. 2019, pp. 140-7, https://www.tci-thaijo.org/index.php/JIE/article/view/174290.