1. Standard Methods for Examination of Water and Wastewater;APHA,1985
2. Algae-pond treatment of industrial wastewaters;Aziz,1988
3. Phosphorus removal by activated algae;Doran;Wat. Res.,1979
4. Studies on the treatment of textile mill wastewaters by stabilization ponds;Gobindan;Indian J. Environ. Hlth,1984
5. Algae-bacterial symbiosis for removal and conservation of wastewater nutrients;Humenik;J. Wat. Pollut. Contr. Fed.,1971