Haan de Gerhard. <br/><br/>
The UNESCO decade of education for sustainable development:  contributions from Germany / 
Gerhard de Haan, et al. 
 - Berlin:  UNESCO,  2007. 
 - 84p.  ill. 
 - Journal of the German commission for UNESCO. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable development.