Dr. Essa A. Alibraheim, Prof.Kamel D. Al-hussary. (2021). THE EFFECTIVENESS OF A TRAINING PROGRAM IN THE DEVELOPMENT OF MATHEMATICAL CONCEPTS AND SKILLS AMONG SOCIAL STUDIES TEACHERS. PalArch’s Journal of Archaeology of Egypt / Egyptology, 18(4), 5517-5544. Retrieved from https://archives.palarch.nl/index.php/jae/article/view/7140