FUJITA, Yasunori. Does Vaccinations Reduce the COVID-19 Infection?. Archives of Business Research, [S. l.], v. 9, n. 8, p. 8–11, 2021. DOI: 10.14738/abr.98.10608. Disponível em: https://scholarpublishing.org/journals/index.php/ABR/article/view/9779. Acesso em: 18 jun. 2026.