Phonyiam T, Wongkhamjan J. The development of learning activities based on the stem education to promote the scientifically creative thinking of Prathomsuksa 6 students . JRDI. RMU [Internet]. 2022 Mar. 21 [cited 2024 May 19];9(1):193-206. Available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/255622