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), pp. 5517-5544. Available at: https://archives.palarch.nl/index.php/jae/article/view/7140 (Accessed: 6May2021).