Felemban, Hanin Hasan, and Hani Housni AbdulHamid. 2021. “Measure the Impressions of Users of Smart Applications for Performing Umrah, Prayers, and Visits in the Grand Mosque and the Prophet’s Mosque: Field Study”. Journal of Economic, Administrative and Legal Sciences 5 (23): 90-58. https://doi.org/10.26389/AJSRP.N190621.