Azhar, R., F. S. D. Kesumah, A. Ambya, F. K. Wisnu, and E. Russel. “Application of Short-Term Forecasting Models for Energy Entity Stock Price (Study on Indika Energi Tbk, JII)”. International Journal of Energy Economics and Policy, vol. 10, no. 1, Nov. 2019, pp. 294-01, https://www.econjournals.com/index.php/ijeep/article/view/8715.