Improvised Learning Materials and Numeracy Skill Development Among Pre-Primary Pupils in Ubungo Municipality, Dar es Salaam, Tanzania. International Journal of Education Foundations, [S. l.], v. 3, n. 4, p. 824–830, 2026. DOI: 10.33687/ijef.003.04.00179. Disponível em: https://ijef.esciencepress.net/index.php/journal/article/view/179. Acesso em: 21 oct. 2026.