“The Effect of a Problem-Centered Learning Strategy on Acquiring Geographical Concepts and Developing Perceived Cognitive Competence for Fifth Literary Female Students”. Journal of the College of Basic Education 26, no. 108 (March 30, 2022): 78–101. Accessed July 3, 2024. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5258.