Pardilla, H., A. S. Hanif, H. Humaid, F. Dlis, R. Henjilito, and M. Jufrianis. “Effect of Motor Ability and Self-Confidence on Triple Jump Skills in Youth Aged 18–20: Path Analysis Study Among Students at University College”. Physical Education Theory and Methodology, vol. 19, no. 2, June 2019, pp. 69-75, doi:10.17309/tmfv.2019.2.03.