1
Published: [1980]
Superior document: World Fertility Survey Confernce : Substantive findings session No. 9 : Background paper 4
2
Published: 1984
Superior document: Reprints of the East West Population Institute 173
3
Published: 1981
Superior document: Papers of the East-West Population Institute 73
4
Published: 1980
Superior document: Reprints of the East West Population Institute 121