Rockwell, Willard F. <br/><br/>
The twelve hats of a company president :  what it takes to run a company / 
By Willard F Rockwell. 
 - 1st ed. 
 - London ;  Prentice hall Inc ,  1971. 
 - 245p. ;  HB  23.5 cm 
<br/><br/><label>ISBN: </label>0139341668 
<br/><br/><label>Subjects--Topical Terms: </label><br/>The hat of the pioneer<br/>The hat of the soothsayer<br/>The hat of the crusader
<br/><br/><label>Dewey Class. No.: </label>374.22   / ROCW