KHOUDOUR, Samir; .BENSEBTI, Abdelmalek. Sources and requirements of professional competencies for information specialists in the library sector: an analytical study. Journal of Social Sciences and Humanities , [S. l.], v. 13, n. 01, p. 713, 2023. Disponível em: https://journals.univ-msila.dz/index.php/JOSSH/article/view/1106. Acesso em: 22 mar. 2026.