Columbia subject headings:
Water-supply--Middle East--International cooperation.
Water-supply--Political aspects--Middle East.
Watershed management--Middle East--International cooperation.
Harvard subject headings:
Water-supply--Management--International cooperation.
Water-supply--Middle East--Management.
Watershed management--International cooperation.
Princeton subject headings:
Water-supply--Middle East--International cooperation.
Water-supply--Political aspects--Middle East.
Watershed management--Middle East--International cooperation.