TY  - JOUR
AU  - Nikkhah Nasab, Mostafa
AU  - Najafi, Amir Abbas
TI  - Project Portfolio Selection with the Maximization of Net Present Value
JO  - Journal of Optimization in Industrial Engineering
VL  - 6
IS  - 12
SP  - 85
EP  - 92
PY  - 2013
DO  - 
ER  -