Lyon, Peter, author
Oxford University Press, 1969
Buku Teks
Lyon, Peter, author
Oxford University Press , 1969
Buku Teks
Stephanus Munadjat Danusaputro, author
Binacipta, 1981
Buku Teks
World Health Organization
Regional Office for South-East Asia, 1989
Buku Teks
Shepperd, William R., author
Barnes and Noble, 1959
Buku Referensi