Boonupatam, Chutiya, and Theerapong Budsarakoon. 2021. “An Approach of Mathematics Teachers Sharing for Enhancing Samutsakhon Province Lower Secondary School Students Attainment”. Journal of Humanities and Social Sciences, Rajapruk University 7 (3):375-88. https://so03.tci-thaijo.org/index.php/rpu/article/view/257363.