Valacich; Joseph S,George; Joey F, Hoffer; Jeffrey A. <br/><br/>
Essentials of systems analysis and design. 

 - 5 
 - New Delhi  PHI Learning Pvt Ltd  2012 
 - xxviii,417 
<br/><br/><label>ISBN: </label>9788120345584 
<br/><br/><label>Dewey Class. No.: </label>004.21 VALJ