Heckel, Paul. <br/><br/>
The elements of friendly software design / 
by Paul Heckel. 
 - New York, N.Y. :  Warner Books,  1984. 
 - xvi, 205 p. : ill. 
<br/><br/> Includes bibliography and index.  Title on cover : a landmark guide to the art of writing user-oriented software. 
<br/><br/><label>ISBN: </label>0446380407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers--Programming.<br/>System design.