In-service education for teachers, supervisors, and administrators. 

 - Illinois :  Chicago Press,  c1957. 
 - 376 p. 
<br/><br/> Includes Indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--In-service.<br/>Teacher education and training.
<br/><br/><label>LC Class. No.: </label>LB1777.5  / .H46