DR. ESSA A. ALIBRAHEIM, PROF.KAMEL D. AL-HUSSARY. 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, [S. l.], v. 18, n. 4, p. 5517-5544, 2021. Disponível em: https://archives.palarch.nl/index.php/jae/article/view/7140. Acesso em: 6 may. 2021.