TY  - BOOK
AU  - Chugh; Om.P.,Gupta;P.N.,Sharma;S.D.,Goel;J.R
TI  - Commerce mathematics
SN  - 81-7488-475-4
U1  - 510 C34C 
PY  - 1997///
CY  - New Delhi
PB  - Anmol publications 
KW  - Mathematics
ER  -