Methodology of measuring the impact of family planning programmes on fertility / - New York : United Nations, 1979. - viii, 153p. : ill. ; - Population studies / Department of International Economic and Social Affairs ; . "Manual IX." UN doc. no.: ST/ESA/SER.A/66. "United Nations publication, sales no. E.78.XIII.8." Includes bibliographical references. Subjects--Topical Terms: Family planningFertility, Human. Dewey Class. No.: 950 / UNI