Methods of measuring the impact of family planning programmes on fertility, problems and issues : a project of the Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat, in collaboration with the Committee on Demographic Aspects of Family Planning Programmes of the International Union for the Scientific Study of Population. United Nations. Department of Economic and Social Affairs. Population Division. International Union for the Scientific Study of Population. Committee on Demographic Aspects of Family Planning Programs. Fertility, Human. Birth control. JX1977 .A2 St/ESA/SER.A/61 HB901 304.6/3 19 312 19 UNM "United Nations publication. Sales no. E.78.XIII.2." New York : United Nations, 1978. 1978. 1978 Text vi, 200 p. ; eng Population studies ; no. 61 [Document] - United Nations ; ST/ESA/SER.A/61 Document (United Nations) ; ST/ESA/SER.A/61. Population studies (New York, N.Y.) ; no. 61.