Jatuporn, T., Teemueangsai, S., & Nachairit, D. (2023). Blended Problem-Based Learning Management Promoting Mathematical Problem-Solving Abilities for 6th-grade Students of Anuban Rattana Kalasin School. Interdisciplinary Academic and Research Journal, 3(1), 295–312. https://doi.org/10.14456/iarj.2023.20