Wills, Ian.
Economics and the environment : a signalling and incentives approach / Ian Wills. - Allen & Unwin 1997.
6717
Environmental economics.
Externalities (Economics).
Economic indicators.
HC79 / E5Wil.
Economics and the environment : a signalling and incentives approach / Ian Wills. - Allen & Unwin 1997.
6717
Environmental economics.
Externalities (Economics).
Economic indicators.
HC79 / E5Wil.