Perlick, Walter W. <br/><br/>
Programmed learning aid for introduction to business /  
Walter W. Perlick ; edited by Roger H. Hermanson. 
 - 3rd ed.  
 - Georgetown :   Learning system company,  c 1981. 
 - xi,130 p. :   ill. ;  26 cm. 
<br/><br/> Includes Index. 
<br/><br/>400  400 
<br/><br/><label>ISBN: </label>0-256-02352-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Business-- Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>650 / P42p