TY - BOOK AU - "United Nations, Economic and Social Affairs (Deptt of--)" ED - "United Nations, Economic and Social Affairs (Deptt of--)" TI - Methods of measuring the impact of family planning programmes on fertility T2 - "United Naitons, Population Studies. 61" U1 - "Y:5:5(Y2).1.N7, L8/UN" PY - 1978/// CY - New PB - York UN KW - Family Planning ER -