SAPTONO, Bambang. How Does Bullying Happen in Elementary School?. Jurnal Prima Edukasia, [S. l.], v. 10, n. 2, p. 187–193, 2022. DOI: 10.21831/jpe.v10i2.50364. Disponível em: https://journal.uny.ac.id/index.php/jpe/article/view/50364. Acesso em: 13 may. 2025.