Syahruddin, S., M. Saleh, M. Saleh, and I. Irmawati. “Effect Of Direct Learning Method And Problem Solving Learning Method On High Jump Of Skills”. Jp.Jok (Jurnal Pendidikan Jasmani, Olahraga Dan Kesehatan), Vol. 3, no. 2, May 2020, pp. 165-76, doi:10.33503/jp.jok.v3i2.793.