Cultivation systems and the struggle for household viability under conditions of desert encroachment

von Manger, Leif Ole
Veröffentlicht in Problems of savannah development (1980)

Some remarks on the use of labour in Kheiran, the Sudan

von Manger, Leif Ole
Veröffentlicht in Aspects of agro-pastoral adaptation in East Africa. Ed.: Erik Eriksen (1978)