Bernard, Harold W. <br/><br/>
Mental hygiene for classroom teachers / 
Harold W. Bernard. 
 - 2nd ed. 
 - New york :  Mcgraw-hall book co,  c 1961. 
 - xi, 498 p. ;  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology.<br/>Salud mental.
<br/><br/><label>Dewey Class. No.: </label>371.7 / B457m