Sibarani, B.B. et al. 2023. Abnormal Return Saham pada Masa Pandemic Covid 19 Menggunakan Market Adjusted Model (Event Study Saham Lq-45, 100 Hari Perdagangan). Jurnal Disrupsi Bisnis. 6, 1 (Jan. 2023), 24–40. DOI:https://doi.org/10.32493/drb.v6i1.27066.