RÍOS MANRÍQUEZ, Martha. SME business performance: an analysis of economic activities by sectors and subsectors in Guanajuato, Mexico. Acta Universitaria, [S. l.], v. 31, p. 1–21, 2021. DOI: 10.15174/au.2021.2954. Disponível em: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/2954. Acesso em: 6 may. 2026.