Sengupta Ram Prasad Ed. <br/><br/>
Challange of sustainable development 

 -  2003 
<br/><br/><label>Standard No.: </label>10225 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:77.2'P, P3