Sharma, Richa <br/><br/>
What are wind power, solar power, hydropower and more 
Richa Sharma 
 - 1st ed 
 - New Delhi  Pearson  2009 
 - 16 p. :col. ill., 
<br/><br/><label>ISBN: </label>9788179931240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences & mathematics
<br/><br/><label>Dewey Class. No.: </label>500 SHA