BUTT. A. S. <br/><br/>
E-Commerce 

 - 5th Ed. 
 - Nairobi,  Lower Kabete Kenya,  1985. 
 - 265p.; ill, figure, picture  Index,  21cm. 
<br/><br/><label>ISBN: </label>0-07-246521-2 
<br/><br/><label>Dewey Class. No.: </label>380.109676BUT