Cempron, Marieta Bautista.  <br/><br/>
The implementation of spiral progession approach in science teaching / 
Marieta Bautista Cempron. 
 - 126 pages ;  28 cm 
<br/><br/>Include bibliographical references. 
<br/><br/>  
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>C33