Nina Windialika, author
Universitas Indonesia, 2008
UI - Skripsi (Open)
Abdul Aziz
2015
UI - Skripsi (Membership)
Helfinalis, author
Lembaga Penelitian Universitas Indonesia, 2005
Artikel Jurnal
Wilson, Ian, author
McGraw-Hill, 1979
Buku Teks
Naili Fathiyah, author
2017
UI - Skripsi (Membership)