A.Vijin Prabhu, S. Antony Raja, C. Lindon Robert Lee, P. Jeba. “EFFECT OF EFFLUENT IN CONTINUOUS TYPE ANAEROBIC DIGESTION”. Pakistan Journal of Biotechnology, vol. 15, no. 3, Aug. 2018, pp. 647-52, https://pjbt.org/index.php/pjbt/article/view/355.