TY  - BOOK
AU  - Balassa, Bela 
TI  - The theory of economic integration
SN  - 9780043300060
U1  - 338.91  
PY  - 1962///
CY  - London : 
PB  - George Allen & Unwin, 
KW  -  International economic integration.
KW  -  Economic policy & planning
ER  -