APA-ийн эшлэл(7 дахь хэвлэлт)

Attafar, A., & Eghbali, M. (2013). Analyzing the Factors Influencing Delay of Projects in Zone 3 of Iranian Gas Transmission Company. University of Tehran.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Attafar, Ali, ба Mohammad Eghbali. Analyzing the Factors Influencing Delay of Projects in Zone 3 of Iranian Gas Transmission Company. University of Tehran, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Attafar, Ali, ба 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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