JIANG, Lina; ZHONG, Jingdong. Short Study on Ecological Pictures in Walden. Frontiers in Sustainable Development, [S. l.], v. 4, n. 5, p. 36–40, 2024. DOI: 10.54691/tevwg432. Disponível em: https://bcpublication.org/index.php/FSD/article/view/6298. Acesso em: 19 aug. 2026.