HarahapS. E.; AchsaniN. A.; SasongkoH. Fenomena Black Swan: Dampak Covid-19 Terhadap Herding Behavior Pada Sembilan Sektor di Pasar Modal Indonesia: Black Swan Phenomenon: The Impact of Covid-19 On Herding Behavior in Nine Sectors in The Indonesian Stock Market. Jurnal Aplikasi Bisnis dan Manajemen (JABM), v. 9, n. 3, p. 998, 30 Sep. 2023.