TY  - BOOK
AU  - Grigg, Neil S.
TI  - Economics and Finance for Engineers and Planners Managing Infrastructure and Natural Resources 
SN  - 9780784409749
U1  - 658.15 
PY  - 2010///
CY  - Reston, Va : 
PB  - Asce Press, 
KW  - Engineering Economy
KW  - Infrastructure Economics
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-0-7844-0974-9.pdf
ER  -