WARDITA, I. M. Optimalisasi pengelolaan peserta didik dengan menerapkan program seberfoniberlin. Indonesian Journal of Educational Development (IJED), [S. l.], v. 2, n. 2, p. 240–247, 2021. DOI: 10.5281/zenodo.5236213. Disponível em: https://ojs.mahadewa.ac.id/index.php/ijed/article/view/1208. Acesso em: 1 oct. 2025.