GETAHUN, B. T. Rivalries over Revenue from Zege Coffee among Local and International Powers from 19th Century to 1935. The International Journal of Humanities & Social Studies, [S. l.], v. 2, n. 10, 2014. Disponível em: https://internationaljournalcorner.com/index.php/theijhss/article/view/140713. Acesso em: 4 jul. 2024.