EL-METWALLY H.; YALCINKAYA, IBRAHIM; CINAR, CENGIZ. Global stability of an economic model. Utilitas Mathematica , [S. l.], v. 95, 2014. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1015. Acesso em: 8 may. 2026.