Jassim, N. A., & Al-Ibrahimi, A. A. H. K. (2022). The role of customer knowledge management in achieving customer gratitude: An analytical study of the opinions of a sample of students from the Department of Dentistry at Ibn Hayyan University College. Al-Ghary Journal of Economic and Administrative Sciences, 18(00), 1315–1338. https://doi.org/10.36325/ghjec.v18i00.14968