Siemens, Nicolai,, author
The Free Press , 1973
Buku Teks
Siemens, Nicolai,, author
The Free Press , 1973
Buku Teks
edited for the IPPF by Ronald L. Kleinman
International planned parenthood federation , 1986
Buku Teks
United State. USAID, author
USAID, 2011
Buku Referensi
Dilworth, James B., 1939-, author
McGraw-Hill, 1992
Buku Teks