RAHIMI, Hezbullah. Mathematical Analysis of the Effects of Population Heterogeneity on Disease-Induced Herd Immunity to Covid-19. Journal of Natural Sciences – Kabul University, [S. l.], v. 7, n. 1, p. 249–265, 2024. DOI: 10.62810/jns.v7i1.15. Disponível em: https://jns.edu.af/jns/article/view/15. Acesso em: 18 jan. 2025.