IBRAHIM, I. R. A. THE EFFECT OF USING POWERPOINT PRESENTATIONS IN ACADEMIC ACHIEVEMENT OF SOCIAL AND NATIONAL STUDIES IN THE FIFTH GRADE STUDENTS AT-RISK FOR LEARNING DISABILITIES. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 6, n. 3, p. 191–202, 2018. DOI: 10.29121/granthaalayah.v6.i3.2018.1514. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG18_A03_1245. Acesso em: 6 may. 2024.