TY  - JOUR
AU  - Heydari, Tahereh
AU  - seyedhosseini, seyed mohammad
AU  - Makui, Ahmad
TI  -   Developing and solving a two-stage Optimization Model for project Portfolio selection and scheduling in uncertain conditions
JO  - Modiriat-e- farda
VL  - 16
IS  - 53
SP  - 0
EP  - 0
PY  - 2018
DO  - 
ER  -