Dudley, Norman A. <br/><br/>
Work measurement: some research studies 
by Norman A. Dudley 
 - London  Macmillan  1968 
 - 139p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work measurement
<br/><br/><label>Dewey Class. No.: </label>I57 D865