Wisnu Nugroho et al. 2026. Achievement Motivation in Junior Tennis Education: Evidence for Developing Athlete-Centered Coaching Practices. Jurnal Yudistira : Publikasi Riset Ilmu Pendidikan dan Bahasa. 4, 4 (Oct. 2026), 10–23. DOI:https://doi.org/10.61132/yudistira.v4i4.3018.