United Republic of Tanzania : development and promotion of wildlife utilisation
1989
Environmental policy
Forest recreation
1977
Douglass, Robert W. |
La cumbre de Johanesburgo : antes, durante y después de la cumbre mundial sobre el desarrollo sostenible
2003
Pérez de las Heras, Mónica |
The retreat of the elephants : an environmental history of China
2004
Elvin, Mark |
Convergence with EU environmental legislation in Eastern Europe, Caucasus and Central Asia : a guide
2003
Transboundary rivers, sovereignty and development : hydropolitical drivers in the Okavango river basin
2003
Turton, Anthony |
Ashton, Peter S. |
Cloete, Eugene |