Azza El Darman, Atiqa. “EFFECTIVENESS OF VACCINE CARD ENFORCEMENT POLICY AS A CONDITION FOR TRAVELING TO PUBLIC PLACES DURING A PANDEMIC” 5, no. 2 (Desember 22, 2021): 113-131. Diakses Juni 13, 2025. https://jak.lan.go.id/index.php/jurnalpusaka/article/view/485.