TY  - BOOK
AU  - RYAN (W J L) and PEARCE (D W).
TI  - Price theory
SN  - 033392 903 9
U1  - 338.52 RYAP 
PY  - 1989///
CY  - Delhi.
PB  - Macmillan India Ltd.
KW  - Price theory
ER  -