Jahanshahloo GR and M Khodabakhshi (2003). “Using Input-Output Orientation Model for Determining Most Productive Scale Size in DEA.” Appl Math Comput 146(2-3): 849-855.
Jahanshahloo GR and M Khodabakhshi (2003). “Using Input-Output Orientation Model for Determining Most Productive Scale Size in DEA.” Appl Math Comput 146(2-3): 849-855.