TY  - BOOK
AU  - Sen,Amar Kumar
TI  - Secretarial and administrative practice 
U1  - 651.3741 SEN 
PY  - 1969///
CY  - Calcutta : 
PB  - Academic Publishers, 
KW  - Business-management
KW  - Organization-administration
N1  - Includes index.
ER  -