JOACHIM, Twahirwa; FAUSTIN, Mugiraneza. Instructional Materials Utilization and Educational Outcomes in Public Secondary Schools in Nyarugenge District, Rwanda. International Journal of Management and Development Studies, [S. l.], v. 15, n. 6, p. 162–169, 2026. DOI: 10.53983/ijmds.v15n06.018. Disponível em: https://ijmds.in/index.php/IJMDS/article/view/99. Acesso em: 30 jun. 2026.