HARTUTIK, Hartutik. Management Model for Integrating Character Education Training in School Learning with the Spiral System . KnE Social Sciences, [S. l.], v. 3, n. 18, p. 99–103, 2019. DOI: 10.18502/kss.v3i18.4702. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/4702. Acesso em: 11 oct. 2025.