Setiyono, S., E. Tandelilin, J. Hartono, and M. M. Hanafi. “Detecting the Existence of Herding Behavior in Intraday Data: Evidence from the Indonesia Stock Exchange”. Gadjah Mada International Journal of Business, Vol. 15, no. 1, Mar. 2013, pp. 27 -44, https://jurnal.ugm.ac.id/v3/gamaijb/article/view/15376.