Guarin, Marcelino Jr. <br/><br/>
Alam n'yo na ba? :   amazing facts and interesting trivias / 
Marcelino Jr. Guarin. 
 - Baesa, Quezon city :  Gayo pub,  2010. 
 - 92 p.:   ill.  18 cm. 
<br/><br/><br/>Filipino and English 
<br/><br/><label>ISBN: </label>978-971-0501-08-3 
<br/><br/><label>LC Class. No.: </label>030 Al11 2010