Bhutiani , R. ., Pratap , H. ., Ahamad , F. ., Kumar, P. ., & Kaushik , P. D. . (2017). Efficiency assessment of effluent treatment plant (ETP) treating an automobile industry effluent (Sidcul) Haridwar. Environment Conservation Journal, 18(1&2), 95–102. https://doi.org/10.36953/ECJ.2017.181213