QOIRUL IDZAM, F.; PUSPODARI; WEDA. The Relationship with Self-efficacy and Motivation Athletes Achievement in Football School (SSB) Posba Basongan. NUSANTARA SPORTA: Jurnal Pendidikan dan Ilmu Keolahragaan, [S. l.], v. 1, n. 03, p. 110–118, 2023. DOI: 10.2023/ns.v1i03.55. Disponível em: https://jurnal.nusantarasporta.com/index.php/ns/article/view/55. Acesso em: 19 sep. 2024.