Oliveira, D. S., Tavares, F. O., & Pacheco, L. D. (2019). The Paiva Footbridges: Exploratory Study on its Economic and Social Impact. Fronteiras - Journal of Social, Technological and Environmental Science, 8(1), 242–264. https://doi.org/10.21664/2238-8869.2019v8i1.p242-264