Kamonkunakasem, K., Chuangsoongnern, R. and Srisiriwat, T. 2025. Effects of Teaching Mathematics on Decimals Using the STAD Cooperative Learning Technique Combined with Mathematics Board Games for Grade 7 Students. Journal of Education Studies, Chulalongkorn University. 53, 02 (Jun. 2025), 1–15. DOI:https://doi.org/10.14456/jescu.2025.16.