Some Experimental Ideas For Teachers 

 - Cambridge:  At The University Press,  1971. 
 - 135p.;  21cm 
<br/><br/><label>ISBN: </label>0521081505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.7  / SOM