TY  - BOOK
AU  - Chanda,S.C.,
AU  - Nag,N.K.,
TI  - Commercial arithmatic & elements of statistics
SN  - 81-7663-549-9
U1  - 519.5 
PY  - 1989///
CY  - Ludhiana
PB  - Kalyani publishers
KW  - Commerce
KW  - Commercial arithmatic & elements of statistics
ER  -