TY  - BOOK
AU  - Sundharam,K.P.M.
AU  - Vaish,M.C.
TI  - Principles of economics / 
U1  - 330 SUN V 
PY  - 1971///
CY  - Agra
PB  - Ratan Prakashan Mandir
KW  - Economics
KW  - Principles of economics
ER  -