Velitario, Edlyn Sermona, <br/><br/>
Science and Health Activity Book for Grade Four Pupils of Nabua Districts, Division of Camarines Sur / 
Velitario, Edlyn Sermona, 
 - San Miguel, Iriga City  University of Saint Anthony  2010 
 - 271 leaves :  figures, tables 
<br/><br/>Includes Bibliographical References 
<br/><br/><label>Dewey Class. No.: </label>372.3 MAN  / V54