KELEŞ, Özgül. Prefer Sustainable Transportation Reduce Your Ecological Footprint. Journal of Inquiry Based Activities, [S. l.], v. 4, n. 3, p. 46–57, 2014. Disponível em: https://www.ated.info.tr/index.php/ated/article/view/93. Acesso em: 16 sep. 2026.