TY  - BOOK
AU  - RIGGS JAMES L 
AU  - BEDWORTH DAVID D 
TI  - ENGINEERING ECONOMICS 
SN  - 9780070586703
U1  - 658.15 
PY  - 2017///
CY  - DELHI 
PB  - MCGRAW HILL 
KW  - ENGINEERING
ER  -