Meita Rizqiyanti D, Ifada A, Suria Manda G. Analisis Pembentukan Portofolio Optimal Saham LQ45 Menggunakan Model Markowitz. jiwp [Internet]. 23Jun.2026 [cited 23Jun.2026];12(6.B):147-58. Available from: https://www.jurnal.peneliti.net/index.php/JIWP/article/view/13300