Alam, S. M., M. Islam, M. Akter, M. Islam, and M. R. Bhuiyan. “Assessing User Satisfaction in E-Haj Systems: Insights from Bangladesh”. Journal of Information Systems and Informatics, Vol. 6, no. 4, Dec. 2024, pp. 2794-13, doi:10.51519/journalisi.v6i4.925.