1. Standard Methods for the Examination of Water and Wastewater;APHA,1989
2. Role of freshwater prawn farming in coastal aquaculture diversification;Bojan;Mar. Prod. Export Dev. Auth. Newsl.,2003
3. Water quality in ponds for Aquaculture;Boyd,1990
4. Manual of Methods in Aquatic Environment Research;FAO,1975
5. Aquaculture Production Statistics 1988–1998;FAO,2000