Ayres, Robert.
Technological forecasting and long - range planning. - London ; New York : McGraw-hill, 1969. - 237 p. : il. ; 24 cm.
Español.
600
Technological forecasting and long - range planning. - London ; New York : McGraw-hill, 1969. - 237 p. : il. ; 24 cm.
Español.
600