(1)
Aldawiyah, N. K.; Wulandari, I. Z.; Firmanda, A. W.; Mardianto, M. F. F. Value-at-Risk Analysis of PT Bukit Asam Tbk (PTBA) Stock Returns Based on an ARIMA–GARCH Model With a Student-T Distribution. JMSK 2026, 22, 546-559.