Tawinno , Jirapath, and Jakkrit Jantakoon. “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”. Journal of Practical Studies in Education 6, no. 4 (June 22, 2025): 54-66. Accessed December 11, 2025. https://www.jpse.gta.org.uk/index.php/home/article/view/121.