The energy crisis in a developing country : the case of Sri Lanka
1980
Kauffman, Kenneth M. |
Fuelwood
Managing the world's forests : looking for balance between conservation and development
1992
Sharma, Narendra P. |
Caring for the Earth presentation in Pakistan : "Puppets"
Qaiser, Farooq |
Narodny Park Sagarmatha : serpovia a ich krajina pod Mount Everestom
1987
Drdos, Ján |
Fuelwood and charcoal research in the Dominican Republic
1988
Knudson, Douglas M. |
Chaney, William R. (William Reynolds) |
Reynoso, Franklin A. |
Report of the short mission on forestry in Gujar-Gabralo
1986
Frei, Christof |