Single versus Multiple Objective(s) Decision Making: An Application to Subsistence Farms in Northern Ethiopia. Ethiopian Journal of Economics, [S. l.], v. 24, n. 2, p. 129–157, 2016. Disponível em: http://ethiopianjournalofeconomics.org/index.php/EJE/article/view/162.. Acesso em: 5 jun. 2026.