Heiland, Robert E. <br/><br/>
Work sampling 

 - New York  McGraw-Hill  1957 
 - 243 p. 
<br/><br/><label>ISBN: </label>255596 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time study
<br/><br/><label>Dewey Class. No.: </label>658.542  / HEI