Acosta, Jovelyn E., and Marie Fe De Guzman. “Challenges in Cooperative Learning Approach in Secondary Social Studies Instruction, Zone 1, Department of Education, Division of Zambales, Philippines”. International Journal of Multidisciplinary: Applied Business and Education Research 6, no. 3 (March 23, 2025): 1001–1009. Accessed July 5, 2025. https://ijmaberjournal.org/index.php/ijmaber/article/view/2341.