Coulby, David. <br/><br/>
Preventing classroom disruption :  policy practice and evaluation in urban schools / 
David Coulby and Tim Harper. 
 - London :  Croom Helm,  c1985. 
 - 187 p. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 181-183) and index. 
<br/><br/><label>ISBN: </label>0709934246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classroom management.
<br/><br/><label>Dewey Class. No.: </label>371.93