Le travail par équipes a l'école. 

 - Genèva,  Bureau international d'éducation,  1935. 
 - 2 p. l., [7]-229 p.  24 cm. 
 - Publications du Bureau international d'éducation,  no. 39 .
 - Publication (International Bureau of Education) ;  no. 39. .
<br/><br/><label>LCCN: </label>e  37000015  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Elementary.<br/>Education--Experimental methods.<br/>Teaching.<br/>Educational psychology.
<br/><br/><label>LC Class. No.: </label>L10  / .I6952 no. 39