Khampang, Supranee, and Chaiwat Sutthirat. 2022. “THE DEVELOPMENT OF LEARNING ACHIEVEMENT AND FUTURE PROBLEM SOLVING FOR MATHAYOMSUKSA 1 STUDENTS”. Journal of Buddhist Education and Research 8 (2):72-82. https://so06.tci-thaijo.org/index.php/jber/article/view/260157.