Perspectives of planning ; proceedings of the OECD Working Symposium on Long-Range Forecasting and Planning, Bellagio, Italy 27th Oct.-2nd Nov. 1968. - OECD Working Symposium on Long-Range Forecasting and Planning (1968 : Bellagio, Italy); Jantsch, Erich; Organisation for Economic Co-operation and Development ([Paris] : Organisation for Economic Co-operation and Development, 1969)
At head of title: Erich Jantsch.
Keywords: Economic forecasting -- Congresses; Economic policy Congresses