Niebel, Benjamin W.
Motion and time study - 9th ed. - Boston, Mass. : Irwin, 1993 - 850 p.
MOTION STUDY
TIME STUDY
T60.7 / N532M 1993
Motion and time study - 9th ed. - Boston, Mass. : Irwin, 1993 - 850 p.
MOTION STUDY
TIME STUDY
T60.7 / N532M 1993