Vaugrante, Christiane <br/><br/>
How to estimate, calculate, verify, utilise numerical data in educat ion? /  
Christaine Vaugrante 
 - Paris :    UNESCO Publications,    1971 
 - 67 p. :    ill. ;    27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Numerical analysis<br/> Mathematical analysis