Technological forecasting; a practical approach/
Cetron, Marvin J.
Technological forecasting; a practical approach/ Cetron, Marvin J. - New York: Gordon and Breach publishers, 1969.
658.4 / CET
Technological forecasting; a practical approach/ Cetron, Marvin J. - New York: Gordon and Breach publishers, 1969.
658.4 / CET