Yoko Mashonia Panjaitan, Nisrul Irawati, and Isfenti Sadalia. “COMPARISON ANALYSIS OF INDEX IDX30 OPTIMAL SHARE PORTFOLIO WITH INDONESIAN EQUITY FUND PORTFOLIO PERFORMANCE”. Journal of Accounting Research, Utility Finance and Digital Assets, vol. 2, no. 1, June 2023, pp. 459-74, doi:10.54443/jaruda.v1i5.69.