Enercon boomics :  technologies for saving energy / 
Compiled and edited by Amyline Q. Ching ; illustration by Eugenio P. Cubillo II. 
 - Diliman, Quezon City :  National Book Development Board,  2006. 
 - 45 pages :   illustration ;  22 centimeter. 
<br/><br/><label>ISBN: </label>9789719401506 
<br/><br/><label>Dewey Class. No.: </label>FIL 333.79 En1 2006