จุลเจือวงศ์ เ. Development on Study on Learning Achievement of Jovial Mathematical Exercise of Weights and Measures for Prathomsuksa 1 Students. CPY [internet]. 2019 May 31 [cited 2026 Sep. 14];30(1):189-9. available from: https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/191911