Anggraini, Dini, Titing Suharti, and Immas Nurhayati. “ANALISIS METODE INDEKS TUNGGAL DALAM PEMBENTUKAN PORTOFOLIO OPTIMAL”. Manager : Jurnal Ilmu Manajemen 2, no. 4 (December 11, 2020): 494–503. Accessed November 15, 2024. http://150.107.142.43/index.php/Manager/article/view/3796.