Brito, Luiz Artur Ledur, and Flávio Carvalho de Vasconcelos. “Performance of Brazilian Companies: Year Effects, Line of Business and Individual Firms”. Brazilian Administration Review 1, no. 1 (December 1, 2004): 1-15. Accessed December 8, 2025. https://bar.anpad.org.br/index.php/bar/article/view/6.