Essential truths for principals / 

, 
 - New York :  Routledge,  2019. 
 - xiii, 82 pages : illustrations ; 19cm xiii, 82 pages : illustrations ; 19cm 
<br/><br/><label>ISBN: </label>9781465482488 
<br/><br/><label>Dewey Class. No.: </label>REF 371.2012 St32