Counselling and Training of Nutritional Snacks Making for Immunity Increasing During Covid 19 Pandemic. Journal of Saintech Transfer, [S. l.], v. 5, n. 2, p. 102–109, 2023. DOI: 10.32734/jst.v5i2.11065. Disponível em: https://idjpcr.usu.ac.id/jst/article/view/11065. Acesso em: 4 feb. 2026.