1. Alvear, O.V., 1995. Application of the Integrated Biomass Model for Natural Wastewater Treatment Systems. AIT Master Thesis, No. EV-95-28. AIT, Bangkok.
2. American Public Health Association, 1995. Standard Methods for the Examination of Water and Wastewater, 18th ed. Washington, DC, New York.
3. Effects of planktivorous and benthivorous fish on organism and water chemistry in eutrophic lakes;Anderson;Hydrobiologia,1978
4. Antipchuk, A. F., 1979. Microbiological Control in the Fish Farming Ponds. Pishevaya Promishlenostv, Moscow, 145 pp. (in Russian).
5. The use of aquatic macrophytes in water-pollution control;Brix;Ambio,1989