Columbia subject headings:
Agriculture and state--Africa--Congresses.
Water resources development--Government policy--Africa--Congresses.
Harvard subject headings:
Agriculture and state--Africa--Congresses.
Water resources development--Africa--Citizen participation--Congresses.
Water resources development--Government policy--Africa--Congresses.
Water-supply, Agricultural--Africa--Congresses.
Water-supply--Africa--Congresses.
Princeton subject headings:
Agriculture and state--Africa--Congresses.
Water resources development--Government policy--Africa--Congresses.