Lucas, Maria T. <br/><br/>
Field study 1 :   the learner's development and environment / 
Maria T. Lucas. 
 - Quezon City :  Lorimar Pub,  2010. 
 - iix, 59 p.:  28 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>971-685-716-0 
<br/><br/><label>LC Class. No.: </label>370.71 L96