Akbar, Amin, and Rizal Kurniawan. “Peran Servant Leadership Pelatih Terhadap Kecemasan Bertanding Atlit Student”. Jurnal Pendidikan Tambusai 5, no. 2 (July 5, 2021): 2701–2706. Accessed November 22, 2024. http://jptam.org/index.php/jptam/article/view/1283.