Synergies in national implementation : the Rio agreements
1997
Sustainable development
Breaking new ground : mining, minerals and sustainable development. The report of the MMSD project
2002
Tradition in transition - aspects of rural livelihoods in the Eritrean highlands : a survey for sustainable development of the Adi Behnuna community, Eritrea
2001
Stillhardt, Brigitta |
Frey, Lukas |