NAINGGOLAN, R.; MONTEBON, C. Q. Ownership Concentration and Asset Risk-Return Profiles : A Quantitative Study of Systematic and Idiosyncratic Risks. Riset Akuntansi dan Keuangan Indonesia, [S. l.], v. 11, n. 1, p. 1–18, 2026. DOI: 10.23917/reaksi.v11i1.16722. Disponível em: https://journals2.ums.ac.id/reaksi/article/view/16722. Acesso em: 12 may. 2026.