Document Type : Original Article
Authors
1 . Graduated Ph.D. Futurology. Farhangian University, Tehran, Iran , and Responsible Author, Email: mbrostami@gmail.com
2 Assistant professor at University of Bojnord, Bojnord, Iran
3 PhD in Operations Research, Researcher of gas company of Tehran province, Tehran, Iran.
Abstract
Keywords
الف) منابع فارسی
ب. منابع انگلیسی