Duffy, tim.  <br/><br/>
Four software tools plus applications and concepts / Tim Duffy.  

 - Belmont, calif. : wadsworth pub. Co., c1989.  
<br/><br/><label>ISBN: </label>053410164X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> MicrocomputeRed Sport -- Programming.               Application software. 
<br/><br/><label>Dewey Class. No.: </label>004.16 DUF