Versions - Motion and time study: design and measurement of work

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  1. 1

    Motion and time study design and measurement of work Barnes, Ralph Mosser, 1900-

    I whakaputaina 1980
    Pukapuka
  2. 2

    Motion and time study: design and measurement of work Barnes, Ralph Mosser, 1900-

    I whakaputaina 1968
    Pukapuka