ebrahim keivan Articles List

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Issue 3 Vol 18 Autumn 2024

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List of Articles ebrahim keivan

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1 - Application of Data Envelopment Analysis in Measuring the Relative Efficiency of Local Telephone Exchanges:A Case Study of Telecommunication Region of East Azerbaijan
Ebrahim Keivan Soleyman Iranzadeh
10.30495/qjopm.2022.1901847.2879

20.1001.1.27169979.1402.17.3.2.5

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2 - Measuring the Relative Efficiency of Toll Switched Exchanges (sc/pcs) Based on Hierarchical Data Classification through Data Envelopment Analysis Method (Case Study: Telecommunication Infrastructure Company)
Ebrahim Keyvan Mehdi Farshid farzad Reza Radfar Nir Sorkhabi
20.1001.1.27169979.1393.8.2.2.0

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