Shumard F.W. <br/><br/>
A primer of time study 
by F.W. Shumard 
 - New York  McGraw- Hill Book Company, Inc.  1940 
 - xi, 519p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time study
<br/><br/><label>Dewey Class. No.: </label>T83 Sh92