ARRAZY, V.; MULYANTINI, S. Analisis Pembentukan Portofolio Optimal dalam Pengambilan Keputusan Investasi Saham Teknologi. Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 5, n. 1, p. 635–648, 2024. DOI: 10.37385/msej.v5i1.4150. Disponível em: https://www.yrpipku.com/journal/index.php/msej/article/view/4150. Acesso em: 6 jul. 2025.