Griffiths, S. R. <br/><br/>
Educational statistics for beginners 

 - London  Methuen Educational  1969 
 - vi, 151p. 
<br/><br/><label>ISBN: </label>9780423428704 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>370  / G63