MYERS, Jonathon. The Aid Worth of a Human Being According to Geography. URJ-UCCS: Undergraduate Research Journal at UCCS, [S. l.], v. 2, n. 3, p. 10–13, 2009. Disponível em: https://urj.uccs.edu/index.php/urj/article/view/66. Acesso em: 21 nov. 2024.