Motion and time study: Principles and practices
Mundel, Marvin E
Motion and time study: Principles and practices - 4th ed. - New Delhi Prentice-Hall of India 1973 - xiv, 674 p.
658.5423 M923M
Motion and time study: Principles and practices - 4th ed. - New Delhi Prentice-Hall of India 1973 - xiv, 674 p.
658.5423 M923M