Andal, Geraldine Q., and Jherwin P. Hermosa. “The Effectiveness of Problem-Based Learning Strategies in the Creative Thinking Skills of Grade 12 Students in Contemporary Philippine Arts from the Regions”. International Journal of Multidisciplinary: Applied Business and Education Research, vol. 5, no. 2, Feb. 2024, pp. 615-2, https://doi.org/10.11594/ijmaber.05.02.22.