OGUEJIOFOR, . V. I.; EZEAMA, A. O. .; KALU, U. O. EFFECTIVE USE OF INSTRUCTIONAL MATERIALS IN TEACHING AND LEARNING OF TECHNICAL DRAWING IN TECHNICAL COLLEGES IN AWGU L.G.A. British International Journal of Education and Social Sciences, [S. l.], v. 7, n. 1, p. 10–19, 2020. Disponível em: https://cirdjournals.com/index.php/bijess/article/view/217. Acesso em: 17 apr. 2026.