Niebel B W <br/><br/>
Motion & time study 
Niebel B W 
 - 8 
 - Homewood  Homewood, IRWIN  1988 
 - 810p 
<br/><br/><label>ISBN: </label>0-256-06082-7 
<br/><br/><label>Source: </label>Textbook