“Level of Participation of Students Who Participate in Extracurricular Sports Activities at SMPN 11 Banjarbaru”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, vol. 17, no. 2, July 2025, pp. 720-31, https://doi.org/10.26858/cjpko.v17i2.72654.