“Kapunda, Stephen M.; United Nations. Economic Commission for Africa. (1994-04). Consumption functions and expenditure patterns in Africa: empirical evidence for Botswana, Ethiopia, Swaziland, Tanzania, Uganda and Zimbabwe. UNECA Development Research Papers Series;. No.9, v, 51 p.:ill.. Addis Ababa:. © UN. ECA,. https://hdl.handle.net/10855/38127"