Yuniarsih SM, Martani RW. PENGARUH ONLINE HANDBOOK EDUCATION TERHADAP KECEMASAN COVID-19. Media ilmu kesehatan [Internet]. 2021 Aug. 21 [cited 2024 Dec. 22];9(3):210-8. Available from: https://ejournal.unjaya.ac.id/index.php/mik/article/view/515