The land of man : soil conservation in Kondoa eroded area, Tanzania
Christiansson, Carl
The land of man : soil conservation in Kondoa eroded area, Tanzania - Nairobi Regional Soil Conservation Unit 1993 - viii,55p. 30cm.
996689618X
Soil erosion
FOS S625.T3C47
The land of man : soil conservation in Kondoa eroded area, Tanzania - Nairobi Regional Soil Conservation Unit 1993 - viii,55p. 30cm.
996689618X
Soil erosion
FOS S625.T3C47