Achmad Sigit Santoso, author
2010
UI - Tesis (Open)
Keller, kotler, author
Pearson Education, Inc, 2006
Buku Teks
Kotler, Philip, author
[publisher not identified], [date of publication not identified]
Buku Teks
Kotler, Philip, author
Prentice-Hall, 2000
Buku Teks
Wilson, Mike, author
Gower Publishing, 1985
Buku Teks