ROLLNICK, M. A predictable picture of the state of practical work in science education in Africa. South African Journal of Science, [S. l.], v. 117, n. 7/8, 2021. DOI: 10.17159/sajs.2021/9405. Disponível em: https://sajs.co.za/article/view/9405. Acesso em: 27 may. 2022.