TY  - JOUR
AU  - M. Allahyar
AU  - M. Rostamy-Malkhalifeh
TI  - An Improved Approach for Estimating Returns to Scale in DEA
JO  - Bulletin of the Malaysian Mathematical Society
PY  - 2014
VL  - 37
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/BMMS_2014_37_4_a23/
ID  - BMMS_2014_37_4_a23
ER  -