Leisner, Melvin, e Davis Pereira de Paula. “Social and recreational value of waves: application of the Zonal Travel Cost Method with surfers from Icaraí beach (Caucaia, Ceará, Brazil)”. Ateliê Geográfico, vol. 15, nº 1, abril de 2021, p. 26-49, https://doi.org/10.5216/ag.v15i1.66540.