NURANI, R.; SURYADI, N.; SYAFITRI, H. Pengaruh Resiko Systematic Dan Resiko Unsystematic Terhadap Expected Return Saham Dalam Pembentukan Portofolio Optimal Indeks Saham LQ-45 . Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 3, n. 1, p. 151–158, 2022. Disponível em: https://www.yrpipku.com/journal/index.php/msej/article/view/398. Acesso em: 6 jul. 2025.