Handy, Richard
Sketching the moon : an astronomical artist’s guide
[Springer, ], 2012
 eBooks
Barnes, Ralph M. (Ralph Mosser)
Motion and time study
John Wiley & Sons, 1955
 Buku Teks
Barnes, Ralph M. (Ralph Mosser)
Motion and time study
John Wiley & Sons, 1958
 Buku Teks
Niebel, Benjamin W.
Motion and time study
Richard D. Irwin, 1969
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Barnes, Ralph M. (Ralph Mosser)
Motion and time study : problems and projects
John Wiley & Sons, 1949
 Buku Teks