[1]
2025. The Effectiveness of Mental Toughness Training Ad – Menstren Model in Badminton Sports for Students of SMP Negeri 2 Jambi City. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 17, 3 (Oct. 2025). DOI:https://doi.org/10.26858/cjpko.v17i3.378.