Valuing wildlife : economic and social perspectives
1987
Decker, Daniel J. |
Goff, Gary R. |
Environmental economics
Race to save the tropics : ecology and economics for a sustainable future
1990
Goodland, Robert J. A. |
Caribbean ecology and economics
1991
Girvan, Norman P. |
Simmons, David |
Accounts overdue : natural resource depreciation in Costa Rica
1991
Solórzano, Raúl |
Economics of protected areas : a new look at benefits and costs
1990
Dixon, John A. |
Sherman, Paul B. |
Nature tourism : managing for the environment
1991
Whelan, Tensie |
Olindo, Perez |
Rovinski, Yanina |
The value of conserving genetic resources
1984
Oldfield, Margery L. |
Values for the environment : a guide to economic appraisal
1991
Winpenny, J. T. |