VERNAZA ARROYO, G. D.; CHAMORRO QUIÑONEZ, J. G. Business management: a look from productivity and competitiveness. Espirales Revista Multidisciplinaria de investigación, [S. l.], v. 4, n. 35, 2021. DOI: 10.31876/er.v4i35.756. Disponível em: https://revistaespirales.com/index.php/es/article/view/756. Acesso em: 30 apr. 2026.