J. Madeira Nogueira, M. A. Asano de Medeiros, and F. Silva Tavares de Arruda, “ENVIRONMENTAL ECONOMIC VALUATION: SCIENCE OR EMPIRICISM?”, CC&T, vol. 17, no. 2, pp. 81–115, Jan. 2000, doi: 10.35977/0104-1096.cct2000.v17.8870.