Guru D D <br/><br/>
Energy and economic development 

 - Delhi  Amar Prakashan        1982 
 - xi,257p  cm. 
<br/><br/><label>Standard No.: </label>34168 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X9(F555).2'N8, M7