The hand of man : soil conservation in Kondoa eroded area, Tanzan ia - Christiansson, Carl.; Mbegu, Alfred C.; Yrgard, Anders (Nairobi : Regional Soil Conservation Unit, RSCU, 1993)
Includes bibliographical references (p. 53-55)
Keywords: Soil conservation -- Africa; Soil erosion; Nature -- Effect of human beings on -- Tanzania -- Kondoa District