RIANDINI, Ory; EKHA PUTERA, Roni; KOESWARA, Hendri; ALHADI, Zikri. Dynamics of Implementation of Ppkm Level 4 Policy For Prevention of Covid-19 Transmission in Padang City. Sumatra Journal of Disaster, Geography and Geography Education, [S. l.], v. 6, n. 2, p. 31–35, 2023. DOI: 10.24036/sjdgge.v6i2.406. Disponível em: http://sjdgge.ppj.unp.ac.id/index.php/Sjdgge/article/view/406. Acesso em: 3 nov. 2026.