TY  - BOOK
AU  - Biswal,D.,
AU  - Rao,J.K.
AU  - Jena,B.K.
TI  - Commercial correspondence
SN  - 81-7096-715-5
U1  - 651.75 
PY  - 1980///
CY  - Ludhiana
PB  - Kalyani publishers
KW  - Commerce
KW  - Commercial correspondence
ER  -