Columbia subject headings:
Apartheid--South Africa--Econometric models.
Boycotts--South Africa--Econometric models.
Economic sanctions--South Africa--Econometric models.
Harvard subject headings:
Apartheid--South Africa--Econometric models.
Boycotts--South Africa--Econometric models.
Economic sanctions--South Africa--Econometric models.
Princeton subject headings:
Apartheid--South Africa--Econometric models.
Boycotts--South Africa--Econometric models.
Economic sanctions--South Africa--Econometric models.