J. Butterworth <br/><br/>
Productivity now 

 - Paris  Pergamon Press  1969 
 - 147p 
<br/><br/>J. Butterworth: Productivity now.  Paris.  Pergamon Press, 1969. 08 0130216--(658BUT)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>08 0130216 
<br/><br/><label>Dewey Class. No.: </label>658  / BUT