Leisner, M., e D. 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, doi:10.5216/ag.v15i1.66540.