TY - BOOK TI - Methodology of measuring the impact of family planning programmes on fertility T2 - Population studies / Department of International Economic and Social Affairs U1 - 950 PY - 1979/// CY - New York PB - United Nations KW - Family planning KW - Fertility, Human N1 - "Manual IX."; UN doc. no.: ST/ESA/SER.A/66; "United Nations publication, sales no. E.78.XIII.8."; Includes bibliographical references ER -