LUMBANRAJA, R. M. I.; HERMAWAN, A. A. Optimalisasi Portofolio Investasi Saham Yang Listed Di ESG Leaders BEI (2018-2023). Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 4, n. 5, p. 4899=4910, 2024. DOI: 10.37385/msej.v4i5.2855. Disponível em: https://journal.yrpipku.com/index.php/msej/article/view/2855. Acesso em: 4 jul. 2025.