Angeles, Crisfel G. <br/><br/>
The Effectiveness of multi-activity approach in teaching biology :  towards a guide 
Crisfel G. Angeles 
 - Quezon City  New Era University  2009. 
 - xii, 81p. 
<br/><br/>Educational Management 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Educational management
<br/><br/><label>LC Class. No.: </label>T-00408