BALARABE GARBA YAKUBU. The Development of Money and the Monetary System in Africa: Pre-Colonial to Contemporally Period. LAPAI JOURNAL OF NIGERIA HISTORY, [S. l.], v. 13, n. 1, p. 38–49, 2021. Disponível em: https://ojs.ibbujournals.com.ng/index.php/ljnnhh/article/view/789. Acesso em: 3 jul. 2024.