Manual IX : the methodology of measuring the impact of family pla nning programmes on fertility - New York : United Nations, Dept. of international economic and so cial affairs, 1989 - 153 p. : ill. ; 28 cm. - Population studies ; no. 66 . Includes bibliographical references Subjects--Topical Terms: Family planningBirth controlFertility Dewey Class. No.: 363.96