OJO, O.; NTSHOE, I. Efficacy of collaborative in improving learning outcomes of graphic design in higher education. South African Journal of Higher Education, [S. l.], v. 31, n. 3, p. 172–192, 2017. DOI: 10.20853/31-3-844. Disponível em: https://www.journals.ac.za/sajhe/article/view/844. Acesso em: 22 oct. 2025.