Catherine Mulyadi, author
2017
UI - Tesis (Membership)
Warmke, Roman F.
South-Western Publishing Co., 1976
Buku Teks
Nainggolan, Sufrianto Marulitua, author
2015
UI - Tesis (Membership)
Johnson, Winslow, author
[American Management Association, ], 2004
eBooks
Gultom, Andrew Dananta, author
2017
UI - Tesis (Membership)