ILYAS, T. R. EFFECTIVENESS OF PPKM (ENFORCEMENT OF RESTRICTIONS ON COMMUNITY ACTIVITIES) EMERGENCY AND LEVELS 1-4 ON CONTROL OF SPREAD COVID 19 VIRUS IN EAST JAVA. Percipience: International Journal of Social, Administration, & Entrepreneurship, [S. l.], v. 1, n. 1, p. 39–46, 2021. DOI: 10.33474/percipience.v1i1.13515. Disponível em: https://riset.unisma.ac.id/index.php/PERCIPIENCE/article/view/13515. Acesso em: 11 oct. 2026.