Fatmawati, I. “Performance Comparison of Sharia Mutual Funds and Conventional Mutual Funds Based on Risk and Return (2017–2020 Period) Using the DEA Method”. 2022. TSARWAH, vol. 6, no. 1, Nov. 2023, pp. 36-44, doi:10.32678/tsarwah.v6i1.6733.