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• Vafaei.Farhad A Survey on Effects of Information Technology on Employee’s Empowerment (Case Study: West Regional Electricity Distribution Companies Kermanshah) [ Vol.12, Issue 39 - Spring Year 2017]
• Valizadeh Oghani.Akbar Evaluation of Management Efficiency in Cement Industry of Iran Using Data Envelopment Analysis Technique [ Vol.12, Issue 42 - Winter Year 2018]