Hamdan، R. M.، Hassan، A. S.، و Mohammed، S. Y. (2020). Afield Survey to Evaluate the Earned Value Management "EVM" Implementation in Construction Companies in Khartoum State. المجلة العربية للنشر العلمي، ع21 ، 39 - 54. مسترجع من http://search.mandumah.com/Record/1436190
Hamdan، Rabab M.، Awad S. Hassan، و Salma Y. Mohammed. "Afield Survey to Evaluate the Earned Value Management "EVM" Implementation in Construction Companies in Khartoum State." المجلة العربية للنشر العلمي ع21 (2020): 39 - 54. مسترجع من http://search.mandumah.com/Record/1436190