Duarcides Ferreira Mariosa, et al. “Economic Crises and Pandemics: A Path to the Sustainability of Small and Medium-Sized Enterprises”. Global Journal of Human-Social Science, vol. 23, no. H2, Mar. 2023, pp. 21-34, https://socialscienceresearch.org/index.php/GJHSS/article/view/103609.