MAHAYANI, Ni Putu Mega; 						SUARJAYA, A. A. Gede.
 PENENTUAN PORTOFOLIO OPTIMAL BERDASARKAN  MODEL MARKOWITZ PADA PERUSAHAAN INFRASTRUKTUR  DI BURSA EFEK INDONESIA.
<strong>E-Jurnal Manajemen</strong>, [S.l.], v. 8, n. 5, p. 3057 - 3085, may 2019.
ISSN 2302-8912. Available at: &lt;<a href="http://103.29.196.112/index.php/manajemen/article/view/45420" target="_new">http://103.29.196.112/index.php/manajemen/article/view/45420</a>&gt;. Date accessed: 17 dec. 2025.
doi: <a href="https://doi.org/10.24843/EJMUNUD.2019.v08.i05.p17">https://doi.org/10.24843/EJMUNUD.2019.v08.i05.p17</a>.