Network ‎D‎ata Envelopment Analysis Models For Measuring Efficiency Of a Four-Stage Supply Chain With Returned Outputs‎

Subject Areas : International Journal of Industrial Mathematics

M. Vaez-Ghasemi ¹ , Z. Moghaddas ² , B. Rahmani ³

1 - Department of Mathematics, Rasht Branch, Islamic Azad University, Rasht, Iran.
2 - Department of Mathematics, Qazvin Branch, Islamic Azad University, Qazvin, Iran.
3 - Department of Mathematics, Central Tehran Branch, Islamic Azad University, Tehran, Iran.

Received: 2016-10-30 Accepted : 2017-10-22 Published : 2018-08-01

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