Boonyakanchana K. Social Darwinism as a new normal: debates in ethics and political philosophy on herd immunity during Covid -19. Pol.Sci.Crit. [internet]. 2022 Dec. 29 [cited 2026 Sep. 12];9(18):1-35. available from: https://so01.tci-thaijo.org/index.php/PSC/article/view/260144