TY  - BOOK
AU  - W. J. L. RYAN
TI  - PRICE THEORY
SN  - 033392 903 9
U1  - 338.52/RYA/PRI 
PY  - 1989///
CY  - Delhi
PB  - MACMILLAN
KW  - ECONOMICS
KW  - PRODUCTION
ER  -