TY  - BOOK
AU  - Chand, Tara, Agarwal, V.K and Garg, S.B.L 
TI  - Engineering economics 
SN  - 8185240825
U1  - 658.11 CHA  
PY  - 2007///
CY  - Nem Chand and brothers 
PB  - Roorkee 
KW  - MANAGEMENT
ER  -