YAKUBU, A. .; JOSEPH, T. . Effects of Manual Communication Method on Listening Proficiency of Students with Hearing Impairment in Special Schools in Lafia Metropolis, Nasarawa State, Nigeria. Global Academy of Multidisciplinary Studies, [S. l.], v. 2, n. 3, p. 215–224, 2026. DOI: 10.35912/gams.v2i3.4110. Disponível em: https://goodwoodpub.com/index.php/gams/article/view/4110. Acesso em: 26 apr. 2026.