Robinson Sihombing, P., 		Prasetia Hendarsin, O., 		Sholikhatun Risma, S., & 		Endar Susilowati, B.
2020 Sep 29.  The Application Of Autoregressive Integrated Moving Average Generalized Autoregressive Conditional Heteroscedastic (Arima - Garch). Udayana Journal of Social Sciences and Humanities. [Online] 4:2