لقمة ابو بكر, and حمزة تهاني. “The Functional Performance for the Social Responsibility on Relationship Between the Administrative Work Ethics and the Functional Performance: Applied Study on the Sudanese Communication Company in Khartoum State”. Ibn Khaldoun Journal for Studies and Researches 2, no. 4 (April 1, 2022). Accessed April 16, 2026. https://benkjournal.com/index.php/benkj/article/view/917.