Bunchuay, K., A. Iamsaard, P. Thongkamsuk, and S. Srihamee. “The Development of Basic Scientific Process Skills through STEM Education Management of Grade 3 Students”. Journal of Education Rajabhat Maha Sarakham University, vol. 18, no. 1, Jan. 2021, pp. 29-36, https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/251553.