Projection methods for integrating population variables into development planning / Department of International Economic and Social Affairs. United Nations. Department of International Economic and Social Affairs. United Nations. Department of Economic and Social Development. Population forecasting Methodology. Economic development Methodology. Population Economic aspects. HB849.53 .P757 1989 307.2 20 UNP Vol. 1, module 3 prepared by Department of Economic and Social Development. "ST/ESA/SER.R/90." Includes bibliographical references. New York : United Nations, 1989-<1993 > 1989-<1993 > 1989 Text : eng