V. G. RAJALEKSHMI. Optimization Method to Find the Priority Group to be Vaccinated Against Corona Virus. International Journal of Mathematics And its Applications, [S. l.], v. 9, n. 3, p. 49–53, 2021. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/43. Acesso em: 3 jul. 2024.