Khatbanjong, S., and P. Samalerk. “The Development of Mathematics Learning Activities on the Topic of Fraction Problems Using the KWDL Technique of Mathayomsuksa 1 Students”. Journal of Education Studies, vol. 50, no. 1, Mar. 2022, p. EDUCU5001011 (12 pages) doi: 10.14456/educu.2022.11, https://so02.tci-thaijo.org/index.php/EDUCU/article/view/255402.