SIBUKU, C.; MUKWAMBO, M. Inventive mathematics teaching practices using learner-centred to teach mathematical operations of fractions in the Zambezi Region. Namibia Educational Reform Forum Journal, [S. l.], v. 27, n. 1, p. 4–14, 2019. Disponível em: https://journals.nied.edu.na/index.php/nerfj/article/view/117. Acesso em: 1 jul. 2024.