Bautista, Delfin <br/><br/>
How strong is friction? / 
Delfin Bautista. 
 - Manila :  Publishers Association of the Philippines, Inc.,  2006. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Friction--Study and teaching.<br/>Classroom activity.<br/>Science --Study and teaching.<br/>Education--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>Per. 370.71'051 P552 2004-2007