Columbia subject headings:
Electrical engineering--Africa--Congresses.
Electrical engineering--Congresses.
Electrical engineering--Study and teaching--Africa--Congresses.
Telecommunication--Africa--Congresses.
Harvard subject headings:
Princeton subject headings:
Electric power systems--Developing countries--Congresses.
Electrical engineering--Developing countries--Congresses.
Telecommunication--Developing countries--Congresses.