Nur Fadhila, Shofia, and Sri Utami Zuliana. 2023. “Optimasi Portofolio Saham Menggunakan Model Markowitz Berdasarkan Prediksi Harga Saham”. Kaunia: Integration and Interconnection Islam and Science Journal 18 (1):35-40. https://doi.org/10.14421/kaunia.3948.