Osman Ahmed, Asma Ahmed, Elsayed Mohamed, Nserelden Ali, Emad Eldin Omer. “The Influence Of The Religiosity Map After 1989 On The Sufi Brotherhoods In Sudan”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 17, no. 9, Nov. 2020, pp. 9909 -18, https://www.archives.palarch.nl/index.php/jae/article/view/6135.