David, Noam; Gao, H. Oliver; Liu, Yanyan, 'How mobile phone towers could help monitor rainfall in developing countries', The Conversation. First published on April 20, 2020, The Conversation US, 2020
Tadjuidje, M., Dipapoundji, B., Mowawa, S.B. . 2012. Tri-National de la Sangha Landscape COBAM Brief Bogor, Indonesia: Center for International Forestry Research (CIFOR). http://dx.doi.org/10.17528/cifor/003933
CTA. 1999. Pratique des SIG pour l'environnement, la gestion des ressources naturelles et la gestion urbaine. Spore 82. CTA, Wageningen, The Netherlands.