Saloua, J., T. Mohamed, M. Ahmed, and M. Khadija. “INDUSTRIAL REJECTION: REMOVAL OF HEAVY METALS BASED ON CHEMICAL PRECIPITATION AND RESEARCH FOR RECOVERABLE MATERIAL IN BYPRODUCTS”. International Journal of Engineering Technologies and Management Research, Vol. 7, no. 2, Feb. 2020, pp. 39-52, doi:10.29121/ijetmr.v7.i2.2020.520.