C. Carramaschi, E., M. Cordeiro Neto, O. and M. Nogueira, J. (2000) “PRICING WATER FOR IRRIGATION: A COMPARATIVE STUDY OF CONTINGENCE VALUATION AND DOSE-RESPONSE METHODS”, Science & Technology Journals, 17(3), pp. 59–81. doi:10.35977/0104-1096.cct2000.v17.8878.