TY  - BOOK
AU  - Heller, Robert H.
TI  - International trade: Theory and  empirical evidence 
U1  - 382 
PY  - 1977///
CY  - New Delhi
PB  - Prentice- Hall Of India Pvt. Ltd.
KW  - The basic of trade
KW  - Economic growth
KW  - International trade
KW  - Economic unions
ER  -