Suryanti, Sri, Liza Puspita Yanti, and Christine Wulandari Suryaningrum. 2026. “Impact of five-stage teacher training program for teaching with problem-based tasks on mathematics teachers’ belief and practice”. Kasetsart Journal of Social Sciences 47 (3):470315. https://so04.tci-thaijo.org/index.php/kjss/article/view/292612.