1. Standard Methods for the Examination of Water and Wastewater;American Public Health Association (APHA),2005
2. Bhardwaj, R.M., 2005. Water quality monitoring in India — achievement and constraints. In: Proceedings of IWG-Env., International Work Session on Water Statistics, Vienna, June 20–22.
3. A review on anaerobic–aerobic treatment of industrial and municipal wastewater;Chan;Chem. Eng. J.,2009
4. The performance enhancements of upflow anaerobic sludge blanket (UASB) reactors for domestic sludge treatment–a state-of the art review;Chong;Water Res.,2012
5. Performance Evaluation of STPs under NRCD;CPCB,2013