Valacich,  Joseph S. <br/><br/>
Essentials of system analysis and design/ 
Joseph S. Valacich, Joey F. George, Jeffrey A. Hoffer 
 - 4th ed. 
 - Englewood Cliffs, N.J :  Prentice Hall,  c2009 
 - xxvi, 433 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> Includes glossary and index 
<br/><br/>References: p. 411-415 
<br/><br/><label>ISBN: </label>9780136084969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System design<br/>System analysis