Najwa S, Rahmani DR. Wearing Mask Guideline As A Protection From The Covid-19 In The Tanjung Berkat Ujung Residents. pengembangan masyarakat [Internet]. 2021Sep.20 [cited 2024Dec.5];1(1):56-61. Available from: https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/106