Waluyo, Endrian Mulyady. “Healthy Community Movement (GERMAS) And Distance, Wearing Mask, And Washing Hands (3m) In the Elderly to Prevent the Spread of Covid 19”. ABDIMAS: Jurnal Pengabdian Masyarakat 5, no. 1 (April 30, 2022): 2172–2176. Accessed November 21, 2024. https://journal.umtas.ac.id/index.php/ABDIMAS/article/view/1722.