Kurniawan, Mukhti Fadhli, et al. “Development of Android-Based Self-Assessment Applications Basic Pencak Silat Techniques SMAN 1 Bengkalis”. Jorpres (Jurnal Olahraga Prestasi), vol. 19, no. 2, May 2023, pp. 165-77, doi:10.21831/jorpres.v19i2.66757.