TY  - BOOK
AU  - Sullivan, William G.
AU  - Koelling, C. Patrick
AU  - Wicks, Elin M.
TI  - Engineering Economy 
SN  - 9788131734421
U1  - 658.15202462 
PY  - 2011///
CY  - Noida, Up : 
PB  - Pearson, 
KW  - Engineering Economy
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-81-317-3442-1.pdf
UR  - https://books.google.com.pk/books?id=R1wKtZ9AAaAC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false
ER  -