Ewy M. constance <br/><br/>
Developing and using perfromance standards 
by constance m. ewy 
 - Washington  The books and pamphlets publication committee  1937 
 - 28p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Service rating
<br/><br/><label>Dewey Class. No.: </label>K45 So13