Rao,M.Narayana Waste water management / M.Narayana Rao and Amal K.Datta. - 3rd ed. - - New Delhi : Oxford & IBH Publishing, 2007 xii,388p
Includes index
9788120417120 : Rs.230.00
* * Waste water treatment * Water pollution - Control * Datta, Amal K. *