TY  - BOOK
AU  - Ray
ED  - IME
TI  - Engineering economy
N1  - Mid-semester Examination: August, 2003 (Anulark T.); Final Examination: August, 2003 (Anulark T.); Final Examination: August, 2005 (Prof. Ray); Mid-semester Examination: 2005 (Prof. Ray)
ER  -