Gumilar, A., J. Negara, N. Nuryadi, H. Firmansyah, M. Mudjihartono, B. Hambali, and E. Purnomo. “Development of Digital-Based Return Board Table Tennis Learning Media”. Jurnal Patriot, Vol. 6, no. 1, May 2024, pp. 13-20, doi:10.24036/patriot.v6i1.1063.