Hawkins, Peter <br/><br/>
Supervision in the helping professions :  An individual, group and organizational approach 

 - 2nd ed. 
 -  Open University Press/McGraw-Hill Education,  2000. 
<br/><br/><label>ISBN: </label>0335201172 
<br/><br/><label>Dewey Class. No.: </label>361.068