Manual of educational statistics / 

 - 1st ed. 
 - Paris :  Unesco,  c 1961. 
 - 241 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>11  11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational statistics.
<br/><br/><label>Dewey Class. No.: </label>371.2 / U3m