//-->
Combining economic and ecological arguments to value the environmental gains from control of 35 weeds in Australia
Sinden, John Alfred, (2007)
The opportunity costs of land degradation in New South Wales : a case study ; paper pres. to the 31. Annual Conference of the Australian Agricultural Economics Soc., Adelaide, February 10. - 12., 1987
Sinden, John Alfred, (1987)
Willingness to pay or willingness to pray for soil conservation? : empir. tests of hypothetical bias in consumers' surplus surveys