Apriani, Leni, et al. “Integration of Teaching Games for Understanding in Physical Education Learning: Improving Students’ Motor Competence through Volleyball Game Modification”. Jurnal Penelitian Dan Pengkajian Ilmu Pendidikan: E-Saintika, vol. 9, no. 3, Nov. 2025, pp. 685-03, https://doi.org/10.36312/zckjpy50.