TARIQ AHMED AL-QAISI, D.; SABRI KHALAF, N. The effect of customer relationship management on improving the quality of hotel service. Baghdad College of Economic Sciences University Journal (BCESUJ), [S. l.], v. 69, n. 7, p. 143–172, 2022. Disponível em: https://bcuj.baghdadcollege.edu.iq/index.php/BCESUJ/article/view/207. Acesso em: 15 sep. 2026.