จุลเจือวงศ์ เพ็ญนภา. “Development on Study on Learning Achievement of Jovial Mathematical Exercise of Weights and Measures for Prathomsuksa 1 Students”. Chophayom Journal 30, no. 1 (May 31, 2019): 189–199. Accessed April 27, 2024. https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/191911.