DJAFRI, D. Measurement of Vaccine Efficacy and Covid-19 Risk Probability. Jurnal Kesehatan Masyarakat Andalas, [S. l.], v. 16, n. 1, p. 1–2, 2022. DOI: 10.24893/jkma.v16i1.1042. Disponível em: https://jurnal.fkm.unand.ac.id/index.php/jkma/article/view/1042. Acesso em: 20 dec. 2024.