Dr. Süleyman YAMAN, and Prof. Dr. Necati YALÇIN. “Effectiveness on Creative Thinking Skills of Problem Based Learning Approach in Science Teaching”. Elementary Education Online 4, no. 1 (December 10, 2023): 42–52. Accessed December 22, 2024. https://ilkogretim-online.org/index.php/pub/article/view/234.