AMIN , Nazrial. Methods Of Awarding Penalties And Rewards For Learning Achievement Of Grade Viii Smp Panca Budi Medan. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 6, p. 5962–5973, 2022. DOI: 10.31004/jpdk.v4i6.9240. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/9240. Acesso em: 6 jan. 2025.