SAPARUDDIN, Saparuddin et al. Pembuatan Hand Sanitizer dari Bahan Alami sebagai Langkah Pencegahan Corona Virus Disease 2019 (COVID-19). MATAPPA: Jurnal Pengabdian Kepada Masyarakat, [S. l.], v. 3, n. 2, p. 137–143, 2020. DOI: 10.31100/matappa.v3i2.622. Disponível em: https://journal.matappa.ac.id/index.php/matappa/article/view/622. Acesso em: 22 mar. 2026.