Atik AF, Intan INA, Eryantika ECD. The The Effectiveness of Used Video And Poster On Increasing Public Knowledge About Covid-19 Prevention Health Protocol. klinik [Internet]. 2021 Dec. 28 [cited 2024 Nov. 6];1(1):42-5. Available from: https://ejurnal.stie-trianandra.ac.id/index.php/klinik/article/view/144