“The Impact of STI, N225, and DJI Indices on IHSG with IDX30 Index as the Mediating Variable: A Study of the Indonesia Stock Exchange from 2012 to 2023” (2024) International Journal of Economics Development Research (IJEDR), 5(2), pp. 1085–1094. doi:10.37385/ijedr.v5i2.4702.