sources of variance United Nations. Department of International Economic and Social Affairs creator text xx New York United Nations 1982 9999 monographic und xxi, 290p. ST/ESA/SER.A/76. A project of the Population Division of the Department of International Economic and Social Affairs of the United Nations Secretariat, in collaboration with the Committee for the Analysis of Family Planning Programmes of the International Birth control-Case studies; Fertiltiy-Case studies; Populatin-Case studies 304.63 U58E NITIL 190328