Shifting Cultivation and Soil Conservation in Africa
Food and Agriculture Organization of the United Nations,
Shifting Cultivation and Soil Conservation in Africa Textual Documents Food and Agriculture Organization of the United Nations - Rome: F.A.O, 1974. - 248
9251003939
Soil Conservation
631
Shifting Cultivation and Soil Conservation in Africa Textual Documents Food and Agriculture Organization of the United Nations - Rome: F.A.O, 1974. - 248
9251003939
Soil Conservation
631