Tazkia, I., & Hakim, A. (2026). ANALISIS MEAN, SHOCK, DAN VOLATILITY SPILLOVER ANTAR SAHAM BANK SYARIAH DAN BANK KONVENSIONAL DI INDONESIA: PENDEKATAN VARMA-GARCH DAN VARMA-AGARCH. Jurnal Investasi Islam, 7(1), 1221–1237. https://doi.org/10.32806/jii.v7i1.2438