Saragih, Ratasya Pratama br, Indri Mutiara Lestari, Anastasya Saepudin, and Embay Rohaeti. “OPTIMALISASI PORTOFOLIO SAHAM PERBANKAN DENGAN MODEL INDEKS TUNGGAL SHARPE”. Interval : Jurnal Ilmiah Matematika 6, no. 1 (March 30, 2026): 36–42. Accessed August 28, 2026. https://interval-fmipa.unpak.ac.id/index.php/intv/article/view/34.