Subqi, Tajus. “Jakarta Islamic Index-L 45: Rate Financial Performance, Beta Stocks and Stock Price in Indonesian Stock Exchange”. Shirkah: Journal of Economics and Business 1, no. 2 (August 30, 2016): 133–160. Accessed February 1, 2025. https://shirkah.or.id/new-ojs/index.php/home/article/view/41.