HOGAN, Tim. Crist, "Abundant Earth: Toward an Ecological Civilization". The Trumpeter, [S. l.], v. 35, n. 1, p. 97–108, 2020. Disponível em: https://www.trumpeter.athabascau.ca/index.php/trumpet/article/view/1639. Acesso em: 26 oct. 2026.