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Siahaan, B. M. G.; Tamba, E. M.; Simbolon, M. E.; Enjelika, T. N.; Simangunsong, I. The Impact of the Problem-Based Learning Model With an Open-Ended Approach on the Creative Thinking Skills of 10th Grade Students in Quadratic Function Education. Journal of Education and Learning Evaluation 2025, 2, 149-158.