Wongnil, Jusitamas, and Thitiya Bongkotphet. 2023. “Development of Collaborative Problem-solving Competencies Through Phenomena-based Learning on Natural Disasters Topic for 12th Grade Students”. Journal of Multidisciplinary in Humanities and Social Sciences 6 (3):1602-16. https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/264945.