Yves, G. A. E. J. E., Y. O. Bernard, O.-Y. M. Jeanne, L. Meite, B. T. G. Nicaise, and M. Veronique. “Trace Metals Content Of The Sewage From The Sewer Network Of Abidjan (Côte d’Ivoire)”. European Scientific Journal, ESJ, Vol. 12, no. 11, Apr. 2016, p. 412, doi:10.19044/esj.2016.v12n11p412.