A. Rizal, M. P. Amelia, N. Khoirun, S. Arifah, and S. N. Maulida, “APPLICATION OF FISBALL GAME MEDIA BASED ON WILLIAM D’ BROOKS TO IMPROVE SELF- CONCEPT OF VOCATIONAL HIGH SCHOOL LEARNERS”, Bikotetik, vol. 9, no. 2, pp. 203–213, Nov. 2025.