Putri, Santy Irene, et al. “Upaya Preventif Transmisi Covid-19 Di Desa Tirtomarto, Kecamatan Ampelgading, Kabupaten Malang, Jawa Timur”. Jurnal ABDINUS : Jurnal Pengabdian Nusantara, vol. 6, no. 3, June 2022, pp. 630-4, https://doi.org/10.29407/ja.v6i3.16847.