ANTONIUS KAP SIMBOLON. PELATIHAN PENULISAN PENELITIAN TINDAKAN KELAS BAGI GURU MATEMATIKA SMP NEGERI 2 TANJUNG MORAWA. Nusantara Hasana Journal, [S. l.], v. 2, n. 6, p. 16–18, 2022. Disponível em: https://nusantarahasanajournal.com/index.php/nhj/article/view/574. Acesso em: 18 apr. 2025.