Sri Lanka national report to the United Nations Conference on Environment and Development
1991
UNDP
Enhancing the role of environmental study centres for sustainable development in Indonesia : a working paper
1988
Soerjani, Mohamad |
Plan de accion para el desarrollo forestal, 1990 - 1995
1989
Sandoval, Guillermo Justiniano |
Reyes, Jaime Munoz |
Soria, Javier Lopez |
Dominican Republic : issues and options in the energy sector
1991
Richter, J. U. |
Saving the Black Sea
1993
Luangwa Valley Conservation and Development Project : Land use development proposals for the mid and upper Luangwa watershed
1973
Albrecht, R. W. |
Luangwa Valley Conservation and Development Project, Zambia : A tourism plan for the Luangwa Valley
1973
Dunlap, R. C. |