ramadhan kussatriyo syah putra and C. Supriyanto, “LEVEL OF SELF-CONFIDENCE IN THE ACHIEVEMENTS OF CRICKET ATHLETES IN LUMAJANG REGENCY: Self-Confidence Level, Achievement, Athlete, Cricket, Lumajang Regency”, Kesehat. Olahraga, vol. 13, no. 02, pp. 53–60, Dec. 2025.