Shatat, R., Niazi, S. and Al Batati, F. (2019) “Synthetic Polyelectrolytes Based on Polyacrylamide: Non-ionic, Anionic and Cationic Polyacrylamides and Their Applications in Water and Wastewater Treatment: Literature Review”, Chemical Science International Journal, 25(4), pp. 1-8. doi: 10.9734/CSJI/2018/46483.