Aldawiyah, N. K. (2026) “Value-at-Risk Analysis of PT Bukit Asam Tbk (PTBA) Stock Returns Based on an ARIMA–GARCH Model with a Student-t Distribution”, Jurnal Matematika, Statistika dan Komputasi, 22(3), pp. 546–559. doi: 10.20956/j.v22i3.49505.