TY  - BOOK
AU  - Sundharam,K.P.M.
AU  - Vaish,M.C.
TI  - Principles of economics
U1  - 330 SUN/P 
PY  - 1971///
CY  - . - Agra
PB  - : Ratan Prakashan Mandir
KW  - Economics
N1  - Includes bibliography
ER  -