Madeira Nogueira, Jorge, Marcelino Antonio Asano de Medeiros, and Flávia Silva Tavares de Arruda. 2000. “ENVIRONMENTAL ECONOMIC VALUATION: SCIENCE OR EMPIRICISM?”. Science & Technology Journals 17 (2): 81-115. https://doi.org/10.35977/0104-1096.cct2000.v17.8870.