1.
Chaichana S, Hitakowit S. Problem-Based Learning (PBL) for Enhancing Lower Secondary Students in Health Education: Life Safety. IARJ [internet]. 2025 Jun. 2 [cited 2026 Sep. 21];5(3):1211-28. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/288392