Çekbaş, Yüksel, and İzzet Kara. “Evaluation of Basic Physics Subject Matter Knowledge of Prospective Elementary Science Teachers”. International Journal of Physics and Chemistry Education 1, no. 1 (May 16, 2009): 1–7. Accessed March 29, 2024. https://www.ijpce.org/index.php/IJPCE/article/view/1.