haku: @indexterm AGRICULTURAL MACHINERY INDUSTRY / yhteensä: 18
viite: 15 / 18
Tekijä: | |
Otsikko: | An approach to the construction of indexes of technological change and of technological sophistication : the case of agricultural tractors. |
Lehti: | Technological Forecasting and Social Change
1982 : MAY, VOL. 21:2, p. 133-147 |
Asiasana: | TECHNOLOGICAL CHANGE TECHNOLOGICAL INNOVATION AGRICULTURAL MACHINERY INDUSTRY STATISTICAL METHODS |
Kieli: | eng |
Tiivistelmä: |
SCIMA