ABSARI INDAH PRATIWI, Risdy. Analisis Pembentukan Portofolio Optimal Menggunakan Model Indeks Tunggal pada Indeks ESG Quality 45 IDX KEHATI. Bahtera Inovasi, [S. l.], v. 7, n. 1, p. 83–94, 2023. DOI: 10.31629/bi.v7i1.6430. Disponível em: https://ojs.umrah.ac.id/index.php/bahterainovasi/article/view/6430. Acesso em: 4 aug. 2025.