Paradigm Shift: Saving Africa Listening and Answering the Call of Nature. Fourth World Journal, [S. l.], v. 7, n. 1, p. 75–83, 2006. DOI: 10.63428/4a339x25. Disponível em: https://fwj.cwis.org/index.php/fwj/article/view/261. Acesso em: 15 aug. 2025.