Janita Widjaja, author
1988
UI - Skripsi (Membership)
Tolan, Janet, author
Sage, 2003
Buku Teks
Lidwina Banowati, author
1989
UI - Tesis (Membership)
M. cay Holbrook dan Alan J. Koenig, editor
Helen Keller International, 2013
Buku Teks
Whitaker, Dorothy Stock
Routledge, 1994
Buku Teks