Salandanan, Gloria G. , Rosita G. Santos and Eden C. Diaz <br/><br/>
The teaching of science and health,mathematics,and home economics,and practical arts(Teaching strategies III) 

 - Revised Edition 
 -  KATHA Publishing Co., Inc.  1988 
 - 99 
<br/><br/><label>Dewey Class. No.: </label>371.102 Sa3