Dayoub, M. A., N. A. Al- Rahman, and M. A. Al-Dali. “Evaluation Of The Availability Of Job Enrichment Equirements For Human Resources In Syrian Public Universities A Field Study For Administrative Workers At Tishreen University”. Tishreen University Journal- Economic and Legal Sciences Series, vol. 42, no. 1, Mar. 2020, https://journal.tishreen.edu.sy/index.php/econlaw/article/view/9458.