Laohawiroongool, Pamornmate, and ดอกเทียน ณัฐพิพัฒน์. “The Effects of Mathematical Learning Activity on Set of the 10th Grade Students by Using Context – based Learning Approach”. KRURAJAPAK 2, no. 2 (August 30, 2025): 18–24. accessed September 22, 2026. https://so17.tci-thaijo.org/index.php/KRUPAK/article/view/1333.