The Impact of Proximity to Urban Center on Crop Production Choice and Rural Income: Evidences from Villages in Wollo, Ethiopia. Ethiopian Journal of Economics, [S. l.], v. 20, n. 2, p. 105–131, 2012. Disponível em: https://ethiopianjournalofeconomics.org/index.php/EJE/article/view/116.. Acesso em: 13 may. 2026.