“The Evolution of Economic Acftivity in Zanzibar During the Reign of Sayyid Said Bin Sulton for (1856-1832)”. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES 223, no. 2 (October 28, 2018): 53–68. Accessed May 3, 2024. https://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/337.