Ira Agustiana Halim
2012
UI - Tesis (Open)
Swayne, Linda E.
Prentice-Hall International, 1989
Buku Teks
Cravens, David W.
McGraw-Hill Irwin, 2002
Buku Teks
Kerin, Roger A.
Pearson, 2013
Buku Teks
Center for Southeast Asian Studies Kyoto University , 1997
Buku Teks