Attafar, A., & Eghbali, M. (2013). Analyzing the Factors Influencing Delay of Projects in Zone 3 of Iranian Gas Transmission Company. University of Tehran.
Lua i Stíl Chicago (17ú heag.)Attafar, Ali, agus Mohammad Eghbali. Analyzing the Factors Influencing Delay of Projects in Zone 3 of Iranian Gas Transmission Company. University of Tehran, 2013.
Lua MLA (9ú heag.)Attafar, Ali, agus Mohammad Eghbali. Analyzing the Factors Influencing Delay of Projects in Zone 3 of Iranian Gas Transmission Company. University of Tehran, 2013.
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