HIKA NIGATU AYELE. Road Sector Development and Socio-economic Growth in Wonbera Woreda, Benshangul Gumuz, Ethiopia. Global Journal of Management and Business Research, [S. l.], v. 17, n. B4, p. 37–48, 2017. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/2298. Acesso em: 17 may. 2024.