YUDHISTIRA, Adam Achmad; HARTATI, Sasminta Christina Yuli. Motivasi Siswa Peserta Ekstrakurikuler Softball di SMP Negeri 29 Surabaya. Jurnal Pendidikan Tambusai, [S. l.], v. 8, n. 2, p. 32402–32408, 2024. Disponível em: http://jptam.org/index.php/jptam/article/view/18360. Acesso em: 14 may. 2025.