Viessman, Warren. <br/><br/>
Electronic commerce  from vision to fulfillment 
by Elias M. Awad 
 - 7th.ed. 
 - Upper Saddle River, NJ  Pearson Prentice Hall  c2005. 
 - xviii, 867 p.  ill., maps  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0131293931 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification.<br/>Water--Purification.<br/>Water-supply--Management.