SITUMORANG, C. H.; TRIONO, W. Public Perception of Increasing Immunity to Facing Covid-19 By Buying Vitamins at Pharmacies. International Journal of Social and Public Administration, [S. l.], v. 2, n. 1, 2022. Disponível em: https://journal.unas.ac.id/ijsa/article/view/1866. Acesso em: 21 nov. 2024.