Zelanski, Paul <br/><br/>
Design principles and problems   [Book] 
Paul Zelanski. 
 - 2nd Ed. 
 -  National Book Foundation Islamabad 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>155016156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Design
<br/><br/><label>Dewey Class. No.: </label>745.4