TY  - BOOK
AU  - Clark,Peter B.
TI  - Planning import substitution
SN  - 0720431689
U1  - 338 CLA 
PY  - 1970///.
CY  - Amsterdam : 
PB  - North-Holland, 
KW  - Economic policy
KW  - Mathematical models
KW  - Nigeria
N1  - Contributions to economic analysis
ER  -