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Long-term projections for development planning : problems and experience : report on the Second Interregional Seminar on Long-term Projections, Dakar, Senegal 16-27 August 1971

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Long-term projections for development planning : problems and experience : report on the Second Interregional Seminar on Long-term Projections, Dakar, Senegal 16-27 August 1971

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