Herzog, David Alan. <br/><br/>
Computer software :  what it is and how it works / 
by David Alan Herzog and Donald Stark. 
 - Makati, Metro Manila :  Felta,  [n.d.]. 
 - i, 41p. ;  20.5cm. 
<br/><br/> Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software.<br/>System analysis.<br/>System design.
<br/><br/><label>LC Class. No.: </label>QA 76.9  / S88 H47