Funk, Wilfred <br/><br/>
30 days to a more powerful vocabulary 

 - Delhi  W.R.Goyal  1970 
 - ix, 244p.  19cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>APPLIED LINGUISTICS
<br/><br/><label>Dewey Class. No.: </label>418  / FUN