RAYHAN, Muhammad A. et al. Acceptance and willingness to purchase a hypothetical COVID-19 vaccine in a region under Shariah law: A cross-sectional study in Aceh, Indonesia. Narra J, [S. l.], v. 2, n. 2, 2022. DOI: 10.52225/narra.v2i2.85. Disponível em: https://narraj.org/main/article/view/85. Acesso em: 13 mar. 2026.