Valacich, Joseph S. <br/><br/>
Essentials of systems analysis and design / 
Joseph S. Valacich, Joey F. George, Jeffrey A. Hoffer 
 - 2nd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c2004 
 - xxvii, 460 p. :  col. ill. ;  28 cm. 
<br/><br/>Includes bibliographical references (p. 443-446) and index 
<br/><br/><label>ISBN: </label>0131016059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System design<br/>System analysis