Indrayanti I. PENGARUH MEDIA POSTER DALAM PENCEGAHAN COVID-19 DI GUNUNG KIDUL, YOGYAKARTA. jk [Internet]. 2022 Jul. 29 [cited 2024 May 12];10(1):69-77. Available from: http://jurnal.stikesbethesda.ac.id/index.php/jurnalkesehatan/article/view/253