GAHAMANYI, V.; MUGIRANEZA , F. Effects of Teaching Aids on Student’s Motivation in Teaching and Learning Mathematics in Day Secondary Schools, Rwanda: A Case of Rusizi District . International Journal of Management and Development Studies , [S. l.], v. 13, n. 8, p. 139–152, 2024. DOI: 10.53983/ijmds.v13n8.009. Disponível em: https://old.ijmds.in/index.php/ijmds/article/view/743. Acesso em: 4 apr. 2026.