Columbia subject headings:
Harvard subject headings:
Appropriate technology--Developing countries.
Black people--South Africa--Social conditions.
Compassion International.
Fireless cookers.
South Africa--Social conditions--1961-
Princeton subject headings:
Appropriate technology--Developing countries.
Black people--South Africa--Social conditions.
Compassion (Organization : South Africa)
South Africa--Social conditions--1961-1994.