TY  - BOOK
AU  - Cai , ,junning 
AU  - Leung,PingSun
AU  - Hishamunda, Nathanael
TI  - Assessment of comparartive advantage in aquaculture: frame work and application on selected spices in developing countries
U1  - 639.3 
PY  - 2009///
CY  - Rome 
PB  - FAO
ER  -