Ilyas, Taufiq Rahman. “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 1, no. 1 (November 12, 2021): 39–46. Accessed October 11, 2026. https://riset.unisma.ac.id/index.php/PERCIPIENCE/article/view/13515.