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j jepson wulff
3 cilt bulundu.
Cilt sonuçları
A descriptive model for determining optimal human performance in systems
J. Jepson Wulff · National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.
Sayfa sayısı yok · 1968
Aeronautics / Astronautics / Human-machine systems / Systems engineering
Human service system development
J. Jepson Wulff · Human Ecology Institute
121 sayfa
Social service / Social work administration / System analysis