Amirteimoori A, S Kordrostami and M Sarparast (2006). “Modeling Undesirable Factors in Data Envelopment Analysis.” Appl Math Comput 180(2): 444-452.
Amirteimoori A, S Kordrostami and M Sarparast (2006). “Modeling Undesirable Factors in Data Envelopment Analysis.” Appl Math Comput 180(2): 444-452.