Atalo N, Suryatinah Y, Ferdina A, Siahaan S. The use of vitamin supplements and herbal medicines among members of Elderly Posyandu during the COVID-19 pandemic in North Jakarta . AMB [Internet]. 2023 Sep. 30 [cited 2024 Nov. 21];50(3):41-50. Available from: https://journals.mu-sofia.bg/index.php/amb/article/view/17