Fataya Azzahra, author
Feliz Books, 2016
Buku Teks
Artikel Jurnal
edited by Wim Stokhof, Paul Van der Velde, Hwee Yeo Lay
Institute of Southeast Asian Studies , 2004
Buku Teks
Goleman, Daniel, author
Bantam Books, 2006
Buku Teks
Burton, Graeme, author
Edward Arnold, 1992
Buku Teks