Harper,W.M <br/><br/>
Statistics / 
W.M Harper; 
 - 6th ed  
 - London :   Prentice Hall ,  c1991. 
 - xii, 502 p . ;  ill,  26 cm. 
<br/><br/>includes index. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>0273666634267  TZS 28,997.90/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematical statistics <br/>Commercial statistics<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>519.5 HAR