Document Type : Original Article
Authors
1 Management department, Islamic Azad university Firouzkoh branch, Firouzkoh,Iran
2 Management department, Islamic Azad university Firozkouh branch, Firozkouh, Iran
3 Management department, Islamic Azad university Firouzkoh branch, Firouzkoh, Iran
4 Mathematics Department,, Islamic Azad university Firozkouh branch, Firozkouh, Iran
Abstract
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