Environmental protection and resource conservation in Pakistan
1994
Sattar, Syed A. |
Resources conservation
Parchi nazionali
1979
Tassi, Franco |
Economic policy reform for natural resource conservation
1988
Repetto, Robert C. |
African wildlife and livelihoods : the promise and performance of community conservation
2001
Hulme, David |
Murphree, Marshall |
Towards policies for conservation and sustainable use of aquatic genetic resources
1999
Pullin, Roger S. V. |
Bartley, Devin M. |
Kooiman, Jan |
Nature's geography : new lessons for conservation in developing countries
1998
Zimmerer, Karl S. |
Young, Kenneth R. |
Protection of man's natural environment
1973
Szafer, Wladyslaw |
Michajlow, Wlodzimierz |
Utilización y conservación de los ecosistemas terrestres de México : pasado, presente y futuro
1998
Challenger, Antony |
Caballero, Javier |
Water, the world's common heritage : proceedings of the first world water symposium
1997
Ait-Kadi, Mohamed |
Shady, Aly |
Szollosi-Nagy, Andras |