AKPAN, Otoabasi. Africa and the First World War. AKSU Journal Of History & Global Studies, Nigeria, v. 1, n. 1&2, p. 89–112, 2014. DOI: 10.60787/aksujhgs.vol1no1&2.21. Disponível em: https://www.aksujhgs.org.ng/index.php/home/article/view/21. Acesso em: 28 feb. 2026.