Niebel, Benjamin w. <br/><br/>
Motion and time study / 
Benjamin w. Niebel 
 - 7th ed.  
 - Delhi  Surjeet Publications  1987 
 - xi, 756p  ill;  22cm 
<br/><br/>Includes Bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time study
<br/><br/><label>Dewey Class. No.: </label>658.542  / NIE