Suharti T, Yudhawati D, Kusumah A, Fatimah B. Portfolio Performance Analysis Using the Treynor Model in the Early Period of the Covid-19 Pandemic. INOVATOR [Internet]. 2024 Mar. 30 [cited 2024 Nov. 15];13(1):128-36. Available from: http://150.107.142.43/index.php/INOVATOR/article/view/17663