Columbia subject headings:
Revenue--Botswana.
Revenue--Zambia.
Tax administration and procedure--Corrupt practices--Botswana.
Tax administration and procedure--Corrupt practices--Zambia.
Tax collection--Corrupt practices--Botswana.
Tax collection--Corrupt practices--Zambia.
Harvard subject headings:
Tax administration and procedure--Botswana--Case studies.
Tax administration and procedure--Zambia--Case studies.
Tax incidence--Botswana.
Tax incidence--Zambia.
Taxation--Botswana.
Taxation--Zambia.
Princeton subject headings: