Sangson, Y., A. Preedeekul, and A. Lincharoen. “The Development of Learning Management Model to Enhance the Independent Study of Students in Basic Education”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, vol. 12, no. 2, Nov. 2018, pp. 427-43, https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/103493.