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Dyfyniad Arddull ChicagoHelander, Martin. A Guide to Human Factors and Ergonomics. Second edition. Boca Raton, FL: CRC Press/Taylor & Francis Group, 2006.
Dyfyniad MLAHelander, Martin. A Guide to Human Factors and Ergonomics. Second edition. CRC Press/Taylor & Francis Group, 2006.
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