Columbia subject headings:
Africa, Sub-Saharan--Bibliography.
Ecology--Africa, Sub-Saharan--Bibliography.
Environmental protection--Africa, Sub-Saharan--Bibliography.
Harvard subject headings:
Environmental policy--Africa, Sub-Saharan--Bibliography.
Environmental protection--Africa, Sub-Saharan--Bibliography.
Princeton subject headings:
Africa, Sub-Saharan--Bibliography.
Ecology--Africa, Sub-Saharan--Bibliography.
Environmental protection--Africa, Sub-Saharan--Bibliography.