Hika Nigatu Ayele (2017) “Road Sector Development and Socio-economic Growth in Wonbera Woreda, Benshangul Gumuz, Ethiopia”, Global Journal of Management and Business Research, 17(B4), pp. 37–48. Available at: https://journalofbusiness.org/index.php/GJMBR/article/view/2298 (Accessed: 21 May 2024).