Rieder, Hans L.
International Union Against Tuberculosis & Lung Disease, 1999
Buku Teks
Pergamon Press, 1981
Buku Teks
International Union Against Tuberculosis & Lung Disease, 1998
Buku Teks
Heinich
Macmillan, 1989
Buku Teks
Key, Wilson Bryan
Center for the study of media, 0
Buku Teks