Y.AL-KHAFAF, S.; هلال. Digital Reference service: Its concept, styles, with a Proposal of its establishment at University of Mousl Central Library. Adab Al-Rafidayn, [S. l.], v. 42, n. 63, p. 431–462, 2025. DOI: 10.33899/radab.2012.71873. Disponível em: https://ojs.uomosul.edu.iq/index.php/radab/article/view/2927. Acesso em: 6 aug. 2025.