Elmegren، A.، و Fouad، S. M. (2023). Marketing Intelligence and Its Role in Achieving Marketing Leadership at Telecom Algeria –Ain Defla. مجلة أبعاد اقتصادية، مج13, ع1 ، 520 - 542. مسترجع من http://search.mandumah.com/Record/1406929
Elmegren، Abdelhafidh، و Said Mansour Fouad. "Marketing Intelligence and Its Role in Achieving Marketing Leadership At Telecom Algeria –Ain Defla." مجلة أبعاد اقتصادية مج13, ع1 (2023): 520 - 542. مسترجع من http://search.mandumah.com/Record/1406929