Sloterdijk, Peter, 1947-, author
Polity Press, 2017
Buku Teks
Merkow, Mark S., author
[American Management Association, ], 2002
eBooks
Dorf, Richard C., author
McGraw-Hill, 2008
Buku Teks
Dorf, Richard C., author
McGraw-Hill , 2008
Multimedia
The Unesco Press, 1974
Buku Teks