Suharti, Titing, Diah Yudhawati, Anuraga Kusumah, and Berliani Fatimah. 2024. “Portfolio Performance Analysis Using the Treynor Model in the Early Period of the Covid-19 Pandemic”. INOVATOR 13 (1):128-36. https://doi.org/10.32832/inovator.v13i1.17663.