Niebel, Benjamin W.
Methods, standards, and work design
McGraw-Hill, 2003.
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Freivalds, Andris
Niebel's methods, standards, and work design
McGraw-Hill, 2009
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Freivalds, Andris
Niebel's methods, standards, and work design
McGraw-Hill, 2014
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Niebel, Benjamin W.
Methods, Standars, and work design
McGraw-Hill, 2003
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Meyers, Fred E.
Motion and time study : improving work methods and management
Prentice-Hall, c1992
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