Boonupatam, Chutiya, and Theerapong Budsarakoon. “An Approach of Mathematics Teachers Sharing for Enhancing Samutsakhon Province Lower Secondary School Students Attainment”. Journal of Humanities and Social Sciences, Rajapruk University 7, no. 3 (December 25, 2021): 375–388. Accessed May 14, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/257363.