Population newsletter.
United Nations.Department of International Economic and Social Affairs.Population Division.
United Nations.Department of Economic and Social Affairs.Population Division.
New York : Population Division of the Dept. of International Economic and Social Affairs, United Nations,
1968-
Issued 1968-Mar. 1978 by the Population Division of the Dept. of Economic and Social Affairs; Dec. 1978- by the Population Division of the Dept. of International Economic and Social Affairs.
Document (United Nations)