Perspectives of planning

le Jantsch, Erich
Foilsithe 1969

Technological planning and social futures

le Jantsch, Erich
Foilsithe 1972

Technological forecasting in perspective : A framework for technological forecasting, its techniques and organisation; a description of activities and an annotated bibliography

le Jantsch, Erich
Foilsithe 1967

Technological forecasting in perspective : a framework for technological forecasting, its technique and organisation; a description of activities and an annotated bibliography

le Jantsch, Erich
Foilsithe 1967