Role of human factory. 

 - Franch :  Unesco,  1968. 
 - 113 p. ;  27 cm. 
<br/><br/>33  33 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.
<br/><br/><label>Dewey Class. No.: </label>309.1 / U3r