Husna, A., and A. Syakir. “Prevent Transmission and Spread of Covid-19 With 5M”. Prosiding Pengembangan Masyarakat Mandiri Berkemajuan Muhammadiyah (Bamara-Mu), vol. 1, no. 1, Sept. 2021, pp. 961-7, https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/133.