NAIDOO, M. .; GERWEL-PROCHES, C. .; JAMES, A. . Twenty-First Century Learning (21 CL) – South African Private Secondary Schools in KwaZulu-Natal. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 22, n. 5, p. 26–57, 2023. Disponível em: https://ijlter.myres.net/index.php/ijlter/article/view/1605. Acesso em: 29 aug. 2026.