PIZZÁN TOMANGUILLO, S. L. .; TORRES GUIBIN, H. T. .; VILLAFUERTE DE LA CRUZ, A. S. Business activities and liquidity at COVID-19 times, a case study service company 2019-2020. Sapienza: International Journal of Interdisciplinary Studies, São Paulo, Brasil, v. 2, n. 3, p. 32–44, 2021. DOI: 10.51798/sijis.v2i3.121. Disponível em: https://journals.sapienzaeditorial.com/index.php/SIJIS/article/view/121. Acesso em: 14 nov. 2024.