TESFAY, Mulugeta. Understanding Food Security: Perspectives on National Self-Sufficiency. Journal of Business and Economic Options, [S. l.], v. 4, n. 3, p. 50–56, 2021. Disponível em: http://resdojournals.com/index.php/jbeo/article/view/197.. Acesso em: 4 mar. 2025.