Susilo, Edi, and Ainun Najah. “Stock Performance of Jakarta Islamic Index Based on Sharpe, Treynor and Jensen Method”. Jurnal Ekonomi & Keuangan Islam 4, no. 2 (November 5, 2018): 67–74. Accessed April 27, 2024. https://jurnal.uii.ac.id/JEKI/article/view/11525.