1
Baskı/Yayın Bilgisi: 1993
Superior document: Working papers / Population Council, Programs Division 7
2
3
Baskı/Yayın Bilgisi: 1990
Superior document: Working papers / Population Council, Research Division 15
4
Baskı/Yayın Bilgisi: c2007.
Links: Tam Metin Erişim