Columbia subject headings:
Africa--Politics and government--Congresses.
Democracy--Africa--Congresses.
Labor unions--Africa--Congresses.
Harvard subject headings:
Labor unions--Africa, Sub-Saharan--Political activity.
Labor unions--Political activity--Africa, Sub-Saharan--Case studies.
Princeton subject headings:
Africa--Politics and government--Congresses.
Democracy--Africa--Congresses.
Labor unions--Africa--Congresses.