ŻABA, Jerzy; GAIDZIK, Krzysztof. The Ngorongoro Crater as the biggest geotouristic attraction of the Gregory Rift (Northern Tanzania, Africa) – geological heritage. Geotourism/Geoturystyka, [S. l.], n. 24-25, p. 27, DOI: 10.7494/geotour.2011.24-25.27. Disponível em: https://journals.agh.edu.pl/geotour/article/view/933. Acesso em: 15 mar. 2025.