Aamir, Elkheir. “The Mediating Role of Administrative Creativity in the Relationship Between Operations Engineering and Employee Performance - a Field Study on Communication Companies - El Obeid City - Sudan-2021”. Ibn Khaldoun Journal for Studies and Researches, vol. 1, no. 3, Dec. 2021, https://doi.org/10.56989/benkj.v1i3.1733.