Kurniasih, Dina, Diah Yudhawati, and Renea Shinta Aminda. “EVALUASI KINERJA PORTOFOLIO SAHAM IDX30 DENGAN SHARPE INDEKS PADA MASA PANDEMI COVID-19”. Manager : Jurnal Ilmu Manajemen 5, no. 2 (June 3, 2022): 245–252. Accessed February 22, 2025. http://360665.5mvk4.group/index.php/Manager/article/view/7361.