TY  - BOOK
AU  - Sundharam, K.P.M.
AU  -  M. C.Vaish
TI  - Principles of economics
PY  - 1975///
CY  - Agra
PB  - Ratan prakashan mandir 
KW  - Economic
KW  - Economics - Business
KW  - Demography - Money
ER  -