Columbia subject headings:
Harvard subject headings:
Swaziland Water Services Corporation--Periodicals.
Water utilities--Eswatini--Periodicals.
Water-supply--Eswatini--Periodicals.
Princeton subject headings:
Swaziland Water Services Corporation--Periodicals.
Water utilities--Swaziland--Periodicals.
Water-supply--Swaziland--Periodicals.