A. MUSLEH SALEH MOOZAB, “Performance Appraisal of Employees in the Ministry of Higher Education and Sientific Research in Republic of Yemen”, jass, vol. 2, no. 06, p. 11, Jul. 2020, Accessed: Sep. 04, 2025. [Online]. Available: https://afroasian-studies.de/index.php/jass/article/view/66