Sharma KR, P Leung, HL Chen and A Peterson (1999). “Economic Efficiency and Optimum Stocking Densities in Fish Polyculture: An Application of Data Envelopment Analysis (DEA) to Chinese Fish Farms.” AQUACULTURE 180(3-4): 207-221.
Sharma KR, P Leung, HL Chen and A Peterson (1999). “Economic Efficiency and Optimum Stocking Densities in Fish Polyculture: An Application of Data Envelopment Analysis (DEA) to Chinese Fish Farms.” AQUACULTURE 180(3-4): 207-221.