Cohen, Abraham <br/><br/>
Time study and common sense  a critical study of conceptions and methods with suggestions for improvement 

 - London  Macdonald  1947 
 - viii, 112p. 
<br/><br/><label>Subjects--Index Terms: </label>Time study 
<br/><br/><label>Dewey Class. No.: </label>658.542  / COH