1
Published: 1983
Superior document: Working papers / Population Council, Center for Policy Studies 100
2
Published: 1990
Superior document: Working papers / Population Council, Research Division 19
3
Published: 1981
Superior document: Working papers / Population Council, Center for Policy Studies 67
4
5
Published: 1990
Superior document: Working papers / Population Council, Research Division 14
6
7
Published: 1980
Superior document: Working papers / Population Council, Center for Policy Studies; 56 56