Onyango, John P. <br/><br/>
A Textbook of Basic Statistics 
John Pius Onyango and A.M Plews 
 - Nairobi  East African Educational Publishers  1987 
 - vii, 305p. 
<br/><br/> incl. ill.and indexes 
<br/><br/><label>ISBN: </label>9966462518 
<br/><br/><label>LC Class. No.: </label>HA 29  / .O59 2005