WHO , 1999
Buku Teks
United Nations. World Health Organization. Regional Office for South-East Asia New Delhi, 1999
Buku Teks
Regional Office for South-East Asia, World Health Organization, United Nations
WHO , 1999
Buku Teks
edited by Hermann Brandstatter
Academic Press, 1982
Buku Teks
Raven press, 1983
Buku Teks