1. American Public Health Association (APHA), American Water Works Association (AWWA), and Water Environment Federation (WEF). Standard Methods for the Examination of Water and Wastewater, 20th ed., APHA, AWWA and WEF, Washington, D.C., 1998.
2. Central Pollution Control Board (CPCB), Ministry of Environment and Forests (MoEF), Government of India. Pollution Control Acts, Rules, and Notification Issued Thereunder, CPCB, MoEF, GOI, New Delhi, India, 1998.
3. Bailey's industrial oil and fat products;Mathil,1964
4. Pathe PP, Nandy T, Kaul SN. Treatment of wastewater from vanaspati industry, New Millennium Conference, Retrospect of Indian Research on Environmental Pollution: Focus 21 Century, New Delhi, India, 1999.
5. Wastewater management in vegetable oil industries;Pathe;Indian J. Environ. Protection,2000