Action research manual for teachers  / 

 - Taguig City :  Department of Science and Technology, Science Education Institute,  2007. 
 - x, 182p.; 24cm 
<br/><br/>includes appendices 
<br/><br/><label>ISBN: </label>9789718600344 
<br/><br/><label>Dewey Class. No.: </label>Fil 001.4 Ac188 2007