HARTINA, Dwi; SIAHAAN, Amiruddin. Manajemen Kegiatan Ekstrakurikuler dalam Meningkatkan Prestasi Non Akademik Siswa di SMA Negeri 1 Aek Natas. Journal of Education Research, [S. l.], v. 5, n. 2, p. 2024–2033, 2024. DOI: 10.37985/jer.v5i2.1117. Disponível em: https://jer.or.id/index.php/jer/article/view/1117. Acesso em: 2 aug. 2025.