2025. Student and Teacher Coefficients in Large Ball Learning Through the Jigsaw Model at SMPN 1 Leles. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 17, 3 (Oct. 2025), 3219–3225. DOI:https://doi.org/10.26858/cjpko.v17i3.455.