Hussey, David E., author
Pergamon Press, 1976
Buku Teks
Valentina Kurnia Febriani, author
2017
UI - Skripsi (Membership)
David Newman
[American Management Association, ], 2013
eBooks
Manganelli, Raymond L., author
[American Management Association;, ], 2003
eBooks
Khoo, Adam, author
Elex Media Komputindo, 2011
Buku Teks