Juang Sunanto, author
Helen Keller International, 2013
Buku Teks
Heri Purwanto, author
Helen Keller International, 2013
Buku Teks
Vaughn, Sharon, author
Helen Keller International, 2013
Buku Teks
Baine, David
Helen Keller International, [date of publication not identified]
Buku Teks
Joyce S. Choate, editor
Helen Keller International, 2013
Buku Teks