Warning: file_put_contents(): Only 0 of 26 bytes written, possibly out of free disk space in /var/www/ojs.unud.ac.id_backup/lib/pkp/classes/cache/FileCache.inc.php on line 90 Warning: file_put_contents(): Only 0 of 76 bytes written, possibly out of free disk space in /var/www/ojs.unud.ac.id_backup/lib/pkp/classes/cache/FileCache.inc.php on line 90 Setyawati, Ni Putu Eka Cahya, & Gede Merta Sudiartha. " PEMBENTUKAN PORTOFOLIO OPTIMAL MENGGUNAKAN MODEL MARKOWITZ." E-Jurnal Manajemen [Online], 8.7 (2019): 4213 - 4238. Web. 19 Jul. 2025