AGRICULTURAL MECHANIZATION AND THE EVOLUTION OF FARMING SYSTEMS IN SUB-SAHARAN AFRICA
PINGALI,PRABHU
AGRICULTURAL MECHANIZATION AND THE EVOLUTION OF FARMING SYSTEMS IN SUB-SAHARAN AFRICA - BALTIMORE THE JOHNS HOPKINS UNIVERSITY PRESS 1987 - 216P.
0-80183502X
FARM MECHANIZATION---AFRICA,SUB SAHARAN
S 760. / A357P56 1987
AGRICULTURAL MECHANIZATION AND THE EVOLUTION OF FARMING SYSTEMS IN SUB-SAHARAN AFRICA - BALTIMORE THE JOHNS HOPKINS UNIVERSITY PRESS 1987 - 216P.
0-80183502X
FARM MECHANIZATION---AFRICA,SUB SAHARAN
S 760. / A357P56 1987