Metode Peramalan Deret Waktu Menggunakan Model Asymmetric Power Autoregressive Conditional Heteroskedastic (APARCH): Time Series Forecasting Method using Asymmetric Power Autoregressive Conditional Heteroskedastic (APARCH) Model: Case Study on Weekly Stock Price of PT Adhi Karya (Persero) Tbk. st. 2019;2(2). doi:10.32734/st.v2i2.484