Conservation and development of tropical forest resources
1982
UNESCO
Stratégie pour un développement durable du tourisme au Sahara
2000
Hosni, Ezzedine |
Science for the twenty-first century : a new commitment
2000
Ceto, Ana Maria |
La Convention du Patrimoine mondial et les paysage culturels en Afrique : réunion d'experts
2000
Rössler, Mechtild |
Saouma-Forero, Galia |
Training needs analysis of site managers on the participation of local communities in natural World Heritage site management in Southeast Asia, West Pacific, Australia and New Zealand
1999
Bassett, J. A. |
McGahan, P. G. |
Culture in sustainable development : investing in cultural and natural endowments
1999
Serageldin, Ismail |
Martin-Brown, Joan |