SÁNCHEZ, M.; LAZO, V. Determinantes de la rentabilidad empresarial en el ecuador: un análisis de corte transversal: Determinants of business profitability in Ecuador: a cross-sectional analysis. ECA Sinergia, [S. l.], v. 9, n. 1, p. 60–73, 2018. DOI: 10.33936/eca_sinergia.v9i1.1006. Disponível em: https://revistas.utm.edu.ec/index.php/ECASinergia/article/view/1006. Acesso em: 2 dic. 2025.