Crosby, Muriel Estelle <br/><br/>
Supervision as co-operative action. 

 - New York  Appleton-Century-Crofts  [c1957] 
 - xii, 334 p.  illus.  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>57005305 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision, Elementary.
<br/><br/><label>LC Class. No.: </label>LB2822.5  / .C7 
<br/><br/><label>Dewey Class. No.: </label>371.2