Jahanshahloo GR, M Soleimani-Damaneh and M Rostamy-Malkhalifeh (2005). “An Enhanced Procedure for Estimating Returns-to-Scale in DEA.” Appl Math Comput 171(2): 1226-1238.
Jahanshahloo GR, M Soleimani-Damaneh and M Rostamy-Malkhalifeh (2005). “An Enhanced Procedure for Estimating Returns-to-Scale in DEA.” Appl Math Comput 171(2): 1226-1238.