Salvador, Maita Songco <br/><br/>
When Zero left number land /   Maita Songco Salvador.   

 - Quezon City :  Adarna House,  c2013.   
 - (unpaged) :  
<br/><br/><label>ISBN: </label>9789715084512   
<br/><br/><label>Dewey Class. No.: </label>KID Sa383 2013