Suharti. (2021). 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, 2(2), 192-197. https://doi.org/10.36526/gandrung.v2i2.1175