فريد حسن بيومي, د/ميادةمحمد , and مرتضى محمود برير. 2021. “Recruitment and Selection on Developing the The Impact of Manpower Performance of Business Organization:  ( 2018-2020 Case Study Kenana Sugar Company)”. White Nile Journal for Studies and Research, no. 17 (March):90-110. https://journals.wnu.edu.sd/index.php/wnjsr/article/view/122.