ZEGGAGH, A., A. THOMAS, and M. Y. FERFERA. “EVALUATION ECONOMIQUE DES PERFORMANCES DES SERVICES D’EAU POTABLE ALGERIENS”. Les Cahiers Du CREAD, no. 92, May 2010, pp. pp.119-52, https://revue.cread.dz/index.php/les-cahiers-du-cread/article/view/300.