TY  - BOOK
AU  - Vrat, Prem
AU  - Sardana, G D; Sahay, B.S.
TI  - Productivity management: A System Approach
SN  - 8173191476
U1  - 658.5  VRA-P 
PY  - 1998///
CY  - Delhi
PB  - Narosa
KW  - Material Management
ER  -