TY  - BOOK
AU  - Sundharam, K.P.M.
AU  - Vaish, M.C.
TI  - Principles of economics/8e
U1  - X 
PY  - 1971///
CY  - Agra
PB  - Ratna prakashan mandir
KW  - Economics
KW  - Business
KW  - Demography
KW  - Money
ER  -