Balonso, C.E. <br/><br/>
Mga integradong tematikong yunit para sa makabayan: baitang 1-6 

 - Quezon City :  C & E Publishing, Inc.,  c2008. 
 - x, 207p. :  ill. ;  24cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>978-971-584-764-3 
<br/><br/><label>Dewey Class. No.: </label>GC 372.83 I61 2008  / 3190