Principles of information systems :  A Management  approach / 
Stair, Ralph M , Reynold George W. 
 - 4th ed. 
 - New York :  Course Technology ,  1999. 
 - xxviii,692 p,:   ill.,; 
<br/><br/><label>ISBN: </label>076001079x 
<br/><br/><label>LC Class. No.: </label>T58.6  / .S82 1999