UNDERHILL, L. G.; BROOKS, M. The BirdMAP protocol: bird atlasing in Africa in regions where the observer network is thin. Biodiversity Observations, [S. l.], v. 7, p. 1–5, 2016. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/362. Acesso em: 29 nov. 2021.