Motion and time study and design and measurement of work /
Barnes, Ralph M.
Motion and time study and design and measurement of work / Ralph M. Barnes - 7th ed - New York John Wiley & Sons 1980 - 689p. ill. 25cm.
0471059056
Motion study
Time study
Motion and time study and design and measurement of work / Ralph M. Barnes - 7th ed - New York John Wiley & Sons 1980 - 689p. ill. 25cm.
0471059056
Motion study
Time study