VALA, R. M.; TALWANGA, T. M. Perspectives of Strengthening Primary and High School Teaching Practices in South Africa. Journal of Educational and Social Research, London, U.K., v. 5, n. 1, p. 145, 2015. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/5606. Acesso em: 10 aug. 2022.