RIFALDY, Akbar; 						SEDANA, I B Panji.
 OPTIMASI PORTOFOLIO SAHAM INDEKS BISNIS 27 DI BURSA EFEK INDONESIA (PENDEKATAN MODEL MARKOWITZ).
<strong>E-Jurnal Manajemen</strong>, [S.l.], v. 5, n. 3, apr. 2016.
ISSN 2302-8912.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/manajemen/article/view/17189" target="_new">https://ojs.unud.ac.id/index.php/manajemen/article/view/17189</a>&gt;. Date accessed: 08 feb. 2025.