Nivera, Gladys <br/><br/>
Design, integration and assessment of mathematical investigations in secondary mathematics classes 
Gladys Nivera 
 - Manila  De La Salle University  2008. 
<br/><br/>Mathematics 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>CD-00487t