World Health Organization. Regional Office for South-East Asia , 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] Lucy Frith and Heather Draper
Books for Midwives , 2004
Buku Teks
WHO, 1996
Buku Teks