TY  - BOOK
AU  - Nauhrla, R. N. 
AU  - Prakash, R. 
TI  - Management Of Systems 
SN  - 0
U1  - 658.5 
PY  - 2004///
CY  - Delhi 
PB  - Dhanpat Rai And Co. (P) LTD. 
ER  -