Regalado, Jorge Garcia, Cesar Freire Quintero, and José Pérez Villamar. 2023. “Analysis of the Tax Collection of the Environmental Tax on Vehicular Pollution and How It Affects the Tax on Environmental Promotion from 2012 to 2020 in the Case of Ecuador”. Migration Letters 20 (S11). London, UK:348-57. https://doi.org/10.59670/ml.v20iS11.5650.