Harianja RR, Eryando T. PERSEPSI KELOMPOK LANSIA TERHADAP KESEDIAAN MENERIMA VAKSINASI COVID-19 DI WILAYAH RURAL INDONESIA. PREPOTIF [Internet]. 2023Dec.20 [cited 2024Nov.23];5(2):775-83. Available from: http://journal.universitaspahlawan.ac.id/index.php/prepotif/article/view/1946