Population and development planning : proceedings of the United Nations International Symposium on Population and Development Planning : Riga, Latvian Soviet Socialist Republic, 4-8 December 1989 /
International Symposium on Population and Development Planning(1989 :Riga, Latvia)
United Nations.Department of Economic and Social Development.
New York : United Nations,
1993.
"ST/ESA/SER.R/116."
Includes bibliographical references.
Population policy