Guru D.D., Qamar Ahsan <br/><br/>
Energy and economic development 

 - Delhi  Amar Prakashan  1987 
 - xi,257p, 22cm 
<br/><br/><label>ISBN: </label>818506153X 
<br/><br/><label>Dewey Class. No.: </label>333.79,  / D, gur