Systems analysis and design / 
Gary B. Shelly ... [and others]. 
<br/><br/><label>ISBN: </label>0878352570 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System analysis.<br/>System design.
<br/><br/><label>LC Class. No.: </label>QA402   / .S53 1991