Dr. Süleyman YAMAN and Prof. Dr. Necati YALÇIN (2023) “Effectiveness on Creative Thinking Skills of Problem Based Learning Approach in Science Teaching”, Elementary Education Online, 4(1), pp. 42–52. Available at: https://ilkogretim-online.org/index.php/pub/article/view/234 (Accessed: 22 December 2024).