TY  - BOOK
AU  - , arnes, Ralph M.
TI  - Work sampling
U1  - 658.562 
PY  - 1957///
CY  - New York
PB  - John Wiley
KW  - Work sampling
KW  - Time study
KW  - Work measurement
N1  - Includes index; Bibliography: p. 273-278
ER  -