Peters, Daviod  A.  <br/><br/>
Principles of Supervision 
/by David A. Peters  
 - London:  Longmans, Green and Co Ltd;  1667. 
 - ix,85p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>658.302  / PET/P