Silva, R. M. da; Mateus de Morais Auriglietti, L.; Tomé, L. H. P. Empirical Analysis on the Efficiency of Masks and 70% Alcohol in Fighting Coronavirus: An Analysis for the Service Sector. Rev. Eco. Ens. 2024, 39 (2). https://doi.org/10.14393/REE-v39n2a2024-67225.