TY  - JOUR
AU  - Davtalab, A.
AU  - Mehrjoo, R.
TI  - Portfolio ranking: using finance technology set in DEA models (Case Study: Tehran Stock Exchange)
JO  - Journal of New Researches in Mathematics
VL  - 5
IS  - 5
SP  - 47
EP  - 56
PY  - 2019
DO  - 
ER  -