1. APHA, AWWA, WCF, 2005. Standard Methods for the Examination of Water and Wastewater, 17th ed. American Public Health Association, Washington, DC.
2. Bowen, S.H., 1982. Feeding, digestion, and growth – quantitative consideration. In: Pullin, R.S.V., Lowe-McConnell, R.H. (Eds.), The Biology and Culture of Tilapias ICLARM Conference Proceedings, vol. 7. International Center for Living Aquatic Resources Management, Manila, Philippines, pp. 141–156.
3. Glossary of Indian Medicinal Plants #22;Chopra,1956
4. Sites of nutrient absorption in aquatic macrophytes;Denny;J. Ecol.,1972
5. Solubility of inorganic P in stream water as influenced by pH and Ca concentration;Diazo;Water Res.,1994