Chandos, 2014
eBooks
Zakaria Zata Adikusna, author
2017
UI - Tesis Membership
Davies, John W, author
Prentice-Hall, 2001
Buku Teks
Chan, Janis Fisher, author
[American Management Association;, ], 2002
eBooks
Boone, Mary E., author
McGraw-Hill, 2001
Buku Teks