Villa, Flordeliza D., <br/><br/>
Development of the cognitive learning skills through science activities  / 
Villa, Flordeliza D. 
 - San Miguel, Iriga City:  University of Saint Anthony,  2005. 
 - 142 leaves :   tables, figures :  
<br/><br/>Includes bibliographical references.  
<br/><br/><label>Dewey Class. No.: </label>MAED 370.152   / V71`