Widodo, Bima Wahyu, Noer Azam Achsani, and Trias Andati. 2017. “An Application of the Black-Litterman Model With ARIMA-ARCH Views for Islamic Stock Portfolio in Indonesian Stock Exchange”. Asian Journal of Business and Management 5 (4). https://ajouronline.com/index.php/AJBM/article/view/4943.