MAULIDA, ULFA, KOMANG DHARMAWAN, and DESAK PUTU EKA NILAKUSMAWATI. “PENENTUAN KINERJA PORTOFOLIO PADA SAHAM INVESTOR33 MENGGUNAKAN METODE GARCH DAN EWMA BERBASIS PADA INDEKS SHARPE”. E-Jurnal Matematika 14, no. 3 (January 7, 2026): 113–118. Accessed January 30, 2026. https://ejournal3.unud.ac.id/index.php/mtk/article/view/1296.