Servais, W. <br/><br/>
Teaching school mathematics :   a UNESCO sourcebook  /  
edited by W. Servais and T. Varga. 
 - Paris :   Unesco,   1971. 
 - 308 p. :    ill. ;    21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics --Study and teaching.------
<br/><br/><label>Dewey Class. No.: </label>510.07 SER