Aqsa Sumbhaniya, Vishva Odedra, Umesh Kumar, and Dr.Sachin Parikh. “Reduction of Ammonical Nitrogen During Shock Load in Crude Refining Industry”. International Journal of Advance Research in Engineering, Science & Technology, vol. 3, no. 4, Apr. 2016, pp. 15-18, https://ijarest.org/index.php/ijarest/article/view/499.