Kagonbé, Bertin Pagna, Bouba Nafissa, Cedric Djeutchou, Alexis Ngoniri Hamdja, Pagoré Djoda, Alain Pahimi Loabé, Etienne Yanné, and Paul Venyité. “Gravel and River Sand Mining Activities in Maroua (Far-North Region, Cameroon): Environmental and Socioeconomic Aspects”. Archives of Agriculture and Environmental Science 9, no. 1 (March 25, 2024): 126-133. Accessed August 1, 2025. https://journals.aesacademy.org/index.php/aaes/article/view/09-01-018.