Frisch, Max, author
Suhrkamp, 1961
Buku Teks
Wallace, James Smyth, author
CRC Press, 2008
Buku Teks
Shapcott, Thomas W. (Thomas William), 1935-, author
Simon and Shuster, 1990
Buku Teks
Bogduk, Nikolai, author
Churchill Livingstone Elsevier, 2012
Buku Teks
Willmore, Job, author
American Society for Training & Development, 2009
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