Search for: [References = %2214. HEIN L.%2C VAN KOPPEN K.%2C DE GROOT R.S.%2C VAN IERLAND E.C.%2C 2006. Spatial scales%2C stakeholders and the valuation of ecosystem services. Ecological Economics. vol. 57%2C iss. 2%2C pp. 209%5C-228.%22]

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