Stable Food Crops Turning into Commercial Crops: Case Studies of Teff, Wheat and Rice in Ethiopia. Ethiopian Journal of Economics, [S. l.], v. 17, n. 1, p. 1–22, 2009. Disponível em: https://ethiopianjournalofeconomics.org/index.php/EJE/article/view/79.. Acesso em: 24 jun. 2026.