Jahanshahloo GR, FH Lotfi, N Shoja, G Tohidi and S Razavyan (2004). “Ranking Using L1 -Norm in Data Envelopment Analysis.” Appl Math Comput 153(1): 215-224.
Jahanshahloo GR, FH Lotfi, N Shoja, G Tohidi and S Razavyan (2004). “Ranking Using L1 -Norm in Data Envelopment Analysis.” Appl Math Comput 153(1): 215-224.