Nugroho, T. B., and J. Dwiridotjahjono. “Determinants of the Composite Stock Price Index (JCI) on the Indonesia Stock Exchange (IDX) Based on the Nikkei Stock Exchange 225 Index (N225), Brent Crude Oil Price, and Rupiah Exchange Rate for the Period 2020-2023”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 8, no. 3, Dec. 2025, pp. 15419-33, doi:10.31538/iijse.v8i3.6547.