Tawinno J, Jantakoon J. The Development of a Protecting the World Science Club Activities Curriculum Based on Challenge-Based Learning Collaborative Systems Thinking to Enhance Complex Problem-Solving Competency Among Hight School Students. JPSE [Internet]. 2025Jun.22 [cited 2025Dec.11];6(4):54-66. Available from: https://www.jpse.gta.org.uk/index.php/home/article/view/121