Dudley, Norman A. <br/><br/>
Work measurement  :  some research studies 

 - London  ; Macmillan  , 1968 
 - vii,138p. 
<br/><br/><label>ISBN: </label> £5.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / DUD