TY  - BOOK
AU  - Gregori,Thomas R.
TI  - Technology and the economic development of the tropical African frontier
AV  - EAF QTO HC517.E2E325 No.11 
PY  - 0000///(n.d)
CY  - Dar es Salaam
PB  - University of Dar es Salaam
KW  - Technological innovations
KW  - African Sub-Saharan
ER  -