TY  - BOOK
T1  - Principles of engineering economy
A1  - Grant, Eugene Lodewick, 1897-
A2  - Ireson, William Grant, 1914-
LA  - English
PP  - New York
PB  - Ronald Press Co
YR  - 1970
ED  - 5th ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217602814983
OP  - 640
CN  - TA 153 G8 1970
KW  - Engineering economy.
ER  -