Wragg,  E, C . <br/><br/>
An introduction to classroom observation 

 - New York :  Routledge,  1994. 
 - 136p.;  ill.;  25cm 
<br/><br/><label>ISBN: </label>0415096278 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>371.102  / WRA