Mundel Marvin E <br/><br/>
Motion and time study    Principles and practices    

 - 4th 
 - Englewood  Cliffs Prentice Hall          1970 
 - xiv, 674p. Bib p 596-99 ; Appendix p 546-648  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Office Management
<br/><br/><label>Dewey Class. No.: </label>X9:89M1, J0;L0