Barnes, Ralph M.
Motion and time study - 3rd ed. - New York John Wiley & Sons 1949 - xii, 559 p. illus 24 cm.
Includes bibliographies
Motion study
658.542 / BAR/1949
Motion and time study - 3rd ed. - New York John Wiley & Sons 1949 - xii, 559 p. illus 24 cm.
Includes bibliographies
Motion study
658.542 / BAR/1949