conservation, E. a. t. Economics and the conservation of global biological diversity, working paper Number 2. The World Bank, UNDP, UNEP.
Lua i Stíl Chicago (17ú heag.)conservation, Economic and the. Economics and the Conservation of Global Biological Diversity, Working Paper Number 2. The World Bank, UNDP, UNEP.
Lua MLA (8ú heag.)conservation, Economic and the. Economics and the Conservation of Global Biological Diversity, Working Paper Number 2. The World Bank, UNDP, UNEP.
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