M. B. R. Agianto, F. P. Heynoek, and S. Sunarko, “Efforts to Improve the Ability to Run 100 Meter Sprints with the Green-Black Playing Method for Class X-8 Students of SMA Negeri 7 Malang: Penelitian”, JERKIN, vol. 4, no. 2, pp. 9654–9659, Nov. 2025.