SUHARTI. Nutrition In Improving Body Immunity as an Effort Protection of COVID-19 For Teachers of SMP Negeri 1 Perak Jombang. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat, [S. l.], v. 2, n. 2, p. 192–197, 2021. DOI: 10.36526/gandrung.v2i2.1175. Disponível em: https://ejournal.unibabwi.ac.id/index.php/gandrung/article/view/1175. Acesso em: 2 jul. 2025.