Aliyu Abubakar, and Sale Sule. “Historical Development of Accounting in Nigeria With Special Emphasis on the Roles Played by Sokoto Caliphate of Usman Danfodio of 1804”. UMYU Journal of Accounting and Finance Research, vol. 2, no. 2, Dec. 2021, pp. 18-28, doi:10.61143/umyu-jafr.2(2)2021.002.