Susandini, A., Yuniati, R. A. N., Gitayuda, M. B. S., & Kurniawan, M. Z. (2026). The Effect of Overconfidence on Trading Activity and Investment Returns in Simulated Stock Markets. Jurnal Ilmiah Manajemen Kesatuan, 14(3), 2469–2480. https://doi.org/10.37641/jimkes.v14i3.5039