Field study:  The learner's development and environment/ 
Lucas, Maria Rita D. 
 - Metro Manila:  Lorimar Publishing, Inc.,  2010. 
 - x, 55p.:  illustration 
<br/><br/><label>ISBN: </label>971-685-716-0 
<br/><br/><label>Dewey Class. No.: </label>M 378.166 L962f 2010