TY  - BOOK
AU  - El-Agraa, Ali M.
TI  - The theory of international trade
SN  - 0709909179
U1  - 382.0724 
PY  - 1983///
CY  - London
PB  - Croom Helm
KW  - International economic relations--mathematical models
KW  - Commerce--mathematical models
N1  - Includes bibliographical reference and index
ER  -