Simmonds N. W. <br/><br/>
Principles of corp improvement  
N. W.  Simmonds  
 - Essex  English language book society / longman  1979 
 - xiv, 408p.;ill  hbk 
<br/><br/><label>ISBN: </label>0582407370 
<br/><br/><label>LC Class. No.: </label>SB 123. S5 1979