P. Hounsinou, D. Mama, F. Dovonou, A. Alassane, A. Akpo, and M. Boukar, “Survey and cartography of the spatial variation of the pollution of the waters from well of some districts of the township of Abomey-Calavi, Benin”, J. App. Bioscience., vol. 85, no. 1, pp. 7751 –, Feb. 2015.