MUHAMMAD, Ruaa Saad; M. AL-MURAD, Najla Y. Customer relationship management and its contribution to enhancing marketing quality: An analytical study of the opinions of a sample of restaurant managers in the Kurdistan region. Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 16, n. 52, 2, p. 258–277, 2020. DOI: 10.25130/tjaes.16.52.2.14. Disponível em: https://www.tjaes.org/index.php/tjaes/article/view/1800. Acesso em: 24 oct. 2026.