TY  - GEN
AU  - De Gregori, Thomas R.
TI  - A theory of technology: : continuity and change in human development 
SN  - 9780813817781
U1  - 301.243 
PY  - 1985///
CY  - New Delhi
PB  - Affiliated East-West Press
KW  - Futurology
KW  - Social Change : Through Technology
ER  -