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