ZIMMERMAN, Michael E. From Deep Ecology to Integral Ecology: A Personal Retrospective. The Trumpeter, [S. l.], v. 30, n. 2, p. 247–268, 2015. Disponível em: https://trumpeter.athabascau.ca/index.php/trumpet/article/view/1379. Acesso em: 6 may. 2024.