Teaching school mathematics 
edited by W. Servais 
 - Paris:  Penguin Books,  1971. 
 -  308p. 
<br/><br/> PB 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>510.7  / TEA