Butwong P, Nuangchalerm P, Prommarat J. Developing System Thinking of Grade 10 Science Students through Problem-based Learning with Causal Maps. JPSE [Internet]. 2025Apr.24 [cited 2026Apr.20];6(4):1-8. Available from: https://www.jpse.gta.org.uk/index.php/home/article/view/103