JACKSON, Emerson Abraham. The Use of WhatsApp for Flexible Learning: Its Effectiveness in Supporting Teaching and Learning in Sierra Leone’s Higher Education Institutions. International Journal of Advanced Corporate Learning (iJAC), [S. l.], v. 13, n. 1, p. pp. 35–47, 2020. DOI: 10.3991/ijac.v13i1.11381. Disponível em: https://online-journals.org/index.php/i-jac/article/view/11381. Acesso em: 28 mar. 2024.