ECIJAN, Katherine E. Mother Tongue Based Instruction and Grade 3 Pupils’ Performance in Mathematics. International Journal of Research in Engineering, Science and Management, [S. l.], v. 8, n. 8, p. 20–25, 2025. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/3333.. Acesso em: 19 aug. 2025.