Sustaining the soil :
Sustaining the soil : indigenous soil and water conservation in Africa /
edited by Chris Reij, Ian Scoones and Camilla Toulmin.
- London : Earthscan, 1996.
- xii, 260 p.
185383372X :
Soil conservation.
S625 / .A35S87
185383372X :
Soil conservation.
S625 / .A35S87