Arifin, Z., and Subarna. “A THE USE OF DIRECT INSTRUCTION MODELS TO IMPROVE THE LONG JUMP SQUIT STYLE: (EXPERIMENTAL RESEARCH ON CLASS X STUDENTS OF SMK MUHAMMADIYAH 1 SUMEDANG)”. JESA - Jurnal Edukasi Sebelas April, vol. 7, no. 2, July 2023, pp. 161-70, https://ejournal.lppmunsap.org/index.php/jesa/article/view/684.