ZIRAME , BAHIA, and AISSA MEHADJBI. 2021. “Management of Competencies in Algerian University Libraries by Adopting of ISO9001 Standard : Central Library of Algiers2 Abou Al- Gasem Saadallah As a Model”. Journal of Social Sciences and Humanities 11 (02):1015. https://journals.univ-msila.dz/index.php/JOSSH/article/view/3939.