NAZWANI, A. B.; SYAKIR, A. . The Effectiveness of Using Masks in the New Normal Era of Alalak Utara. Prosiding Pengembangan Masyarakat Mandiri Berkemajuan Muhammadiyah (Bamara-Mu), [S. l.], v. 1, n. 1, p. 877–890, 2021. Disponível em: https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/207. Acesso em: 5 dec. 2024.