Čájehuvvojit 1 - 2 oktiibuot 2 bohtosis ohcui NIEBEL, Benjamin W.', ohcanáigi: 0,01s Aiddostahte ozu
  1. 1
    Motion and time study

    Motion and time study Dahkki NIEBEL, Benjamin W.

    Almmustuhtton 1988
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  2. 2
    Methods, standards and work design

    Methods, standards and work design Dahkki NIEBEL, Benjamin W

    Almmustuhtton 1999
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