De Castro, Imelda P. <br/><br/>
Filipino I :   wikang Filipino sa akademikong konunikasyon/ 
Imelda P. De Castro 
 - Valenzuela City :   Mutya Publishing House, Inc.,   c2007. 
 - 293 p. :   illustrations ;   25 cm. 
<br/><br/><label>ISBN: </label>978-971-821-095-6. 
<br/><br/><label>Dewey Class. No.: </label>Fil. 490.7 F483 2007