Zetira, Z., T. Rahayu, and S. Soedjatmiko. “Factors That Affect Motivasi Training PPLP Boxing Athletes During The Covid-19 Pandemic In Palu City”. JUARA : Jurnal Olahraga, Vol. 8, no. 1, Jan. 2023, pp. 228-36, doi:10.33222/juara.v8i1.2660.