ATMAJA, Lukas Setia. Ownership Concentration and Firm Value : A Panel Data Analysis on The Impact of Ownership Concentration on Firm Value. International Research Journal of Business Studies, Jakarta, Indonesia, v. 2, n. 2, p. 99–110, 2009. DOI: 10.21632/. Disponível em: https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/845. Acesso em: 4 dec. 2025.