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