H. Ech-chafay, M. Najy, N. Bentoutou, M. Lachhab, K. El Kharrim & D. Belghyti. “PHYSICAL-CHEMICAL CHARACTERIZATION OF WASTEWATER IN THE CITY OF MISSOUR - MOROCCO”. International Journal of Research Science and Management, vol. 5, no. 1, Jan. 2018, pp. 68-79, http://ijrsm.com/index.php/journal-ijrsm/article/view/235.