Lumbanraja RMI, Hermawan AA. Optimalisasi Portofolio Investasi Saham Yang Listed Di ESG Leaders BEI (2018-2023). MSEJ [Internet]. 2024Nov.20 [cited 2025Jul.4];4(5):4899=4910. Available from: https://journal.yrpipku.com/index.php/msej/article/view/2855