Farda Kurniawan, Danang Ari Santoso, and Wawan Setiawan. “Analisis Psikologi Terhadap Kepercayaan Diri Atlet Sepakbola”. Jurnal Pendidikan Jasmani (JPJ) 1, no. 2 (December 31, 2020): 47–58. Accessed August 18, 2026. https://stokbinaguna.ac.id/jurnal/index.php/JPJ/article/view/126.