Barnes, Ralph Mosser,
Motion and time study : design and measurement of work / by Ralph M. Barnes. - 6th ed. - New York, Wiley c1968 - xi, 799 p. : ill. ; 23 cm.
68020097
Motion study.
Time study.
658.542
Motion and time study : design and measurement of work / by Ralph M. Barnes. - 6th ed. - New York, Wiley c1968 - xi, 799 p. : ill. ; 23 cm.
68020097
Motion study.
Time study.
658.542