Saloua, J., Mohamed, T., Ahmed, M., & Khadija, M. (2020). 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, 7(2), 39–52. https://doi.org/10.29121/ijetmr.v7.i2.2020.520