Mental hygiene in the nursery school :  report 

 - Paris :  UNESCO,  1952 
 - 33 p. ;  21 cm. 
 - Problems in education ;  9 .
 - Unesco.  Problems in education ;  9 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental health<br/>Nursery schools
<br/><br/><label>Dewey Class. No.: </label>372.2412