Silva Júnior, Luiz Honorato da, et al. “The Ecological ICMS As Inducer in the Creation of Protected Areas in Brazil: An Assessment of Policy in the States of Pernambuco, Paraná and Bahia”. Desenvolvimento Em Questão, vol. 17, nº 47, maio de 2019, p. 217-3, doi:10.21527/2237-6453.2019.47.217-237.