León González, C. J.; Vázquez Polo, F. J. & González, R. L. (2003). Elicitation of Expert Opinion in Benefit Transfer of Environmental Goods. Environmental and Resource Economics, v. 26, p. 199-210. https://doi.org/10.1023/A:1026307420804
León González, C. J.; Vázquez Polo, F. J. & González, R. L. (2003). Elicitation of Expert Opinion in Benefit Transfer of Environmental Goods. Environmental and Resource Economics, v. 26, p. 199-210. https://doi.org/10.1023/A:1026307420804