Panjiantariksa, Y., M. Doewes, and T. A. Utomo. “Contribution of Biomotor and Psychomotor Factors That Determine Pencak Silat Front Kick Ability”. Pedagogy and Psychology of Sport, vol. 6, no. 3, Sept. 2020, pp. 83-90, doi:10.12775/PPS.2020.06.03.006.