COHEN, Michael J. The Secrets-of-Nature Trail and Game: A hands-on challenge for multi-sensory learning and relating. The Trumpeter, [S. l.], v. 14, n. 1, 1997. Disponível em: https://trumpeter.athabascau.ca/index.php/trumpet/article/view/227. Acesso em: 16 jul. 2024.