Ponziani, Regi Muzio. “Forecasting of Jakarta Islamic Index (JII) Returns Using Holt-Winters Family Models”. Asian Journal of Islamic Management (AJIM) 3, no. 2 (January 25, 2022): 111–122. Accessed April 25, 2024. https://journal.uii.ac.id/AJIM/article/view/21321.