Lima GASF de, Barbosa A, Marzal JLS, Lima IS, Corrar LJ. Event study of announcements about adherence to differentiated corporate governance levels . Rev. Contab. Finanç. [Internet]. 2006 Aug. 1 [cited 2024 Jul. 17];17(spe):92-104. Available from: https://revistas.usp.br/rcf/article/view/34198