WU, X.; WOOD, S. A.; FISHER, D.; LINDSEY, G. Photos, tweets, and trails: Are social media proxies for urban trail use?. Journal of Transport and Land Use, [S. l.], v. 10, n. 1, 2017. DOI: 10.5198/jtlu.2017.1130. Disponível em: https://www.jtlu.org/index.php/jtlu/article/view/1130. Acesso em: 24 jan. 2022.