yasmeen, R., S. Basharat, S. . Mazhar, and W. Hamid. “Evaluation of Microbial Contamination via Wastewater Collected from Different Oil Industries and Its Treatment Using Various Coagulants”. International Journal of Innovations in Science & Technology, vol. 4, no. 2, Apr. 2022, pp. 392-03, https://journal.50sea.com/index.php/IJIST/article/view/224.