Khatbanjong, S. and Samalerk, P. (2022) “The Development of Mathematics Learning Activities on the Topic of Fraction Problems Using the KWDL Technique of Mathayomsuksa 1 Students”, Journal of Education Studies, Chulalongkorn University. Bangkok, Thailand, 50(1), p. EDUCU5001011. doi: 10.14456/educu.2022.11.