Murdiana, D., Fajri Adrianto, and Mohamad Fany Alfarisi. “Announcement Of Reduction In BI7DRR Interest Rate For 2019 To 2021 On Abnormal Return And Cumulative Abnormal Return Of Indonesian Banking Share”. Enrichment : Journal of Management, Vol. 12, no. 3, Aug. 2022, pp. 2418-25, doi:10.35335/enrichment.v12i3.664.