Caldas, Antonio Vinicius Silva, Emerson de Sousa Silva, Antonio Francisco de Almeida Silva Junior, and Ulysses de Brito Cruz. “The Effects of Covid-19 on the Performance of the Shares of B3´s Sectors”. Contextus - Revista Contemporânea de Economia e Gestão 19 (January 25, 2021): 15–28. Accessed December 5, 2025. https://www.periodicos.ufc.br/contextus/article/view/60146.