The purposive diligence in jurisprudential emergencies and the precautionary measures of the guardian: COVID-19 as a case study. Humanities and Educational Sciences Journal, [S. l.], n. 34, 2023. DOI: 10.55074/hesj.vi34.881. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/881. Acesso em: 24 may. 2026.