Alyaa Putri Nugraha, author
2018
UI - Skripsi (Membership)
Blundell, Jon, author
Oxford University Press, 1982
Buku Teks
Stokes, Roy, author
Gower, 1982
Buku Referensi
Andersen, Leslie P., author
Intext Educational, 1971
Buku Teks
Chandra Liza, author
Universitas Indonesia, 2014
UI - Disertasi (Membership)