SERGIOVANNI,THOMAS J  ROBERT, J  STARRATT <br/><br/>
SUPERVISION  HUMAN PERSPECTIVES 

 - 2ND 
 - NEW  YORK  MCGRAW-HILL BOOK COMPANY  1979 
<br/><br/><label>ISBN: </label>007056311X 
<br/><br/><label>Dewey Class. No.: </label>371.201 3 SER