Looking forward : a guide to futures research /
Helmer-Hirschberg, Olaf.
Looking forward : a guide to futures research / Olaf Helmer. - Beverly Hills, Calif. : Sage Publications, c1983. - 376 p. : ill. ;
Bibliography: p. 374-375.
0803920172
Forecasting
Forecasting
003 / HEL
Looking forward : a guide to futures research / Olaf Helmer. - Beverly Hills, Calif. : Sage Publications, c1983. - 376 p. : ill. ;
Bibliography: p. 374-375.
0803920172
Forecasting
Forecasting
003 / HEL