Frigstad, David B. <br/><br/>
Know your market :  how to do low-cost market research / 
David B. Frigstad. 
 - Grants Pass, Oregon :  Oasis Press/PSI Research,  1995. 
 - 177 p. ;  27 cm. 
 - PSI successful business library. .
<br/><br/><label>ISBN: </label>1555713335  RM57.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research.