Columbia subject headings:
Convention on Wetlands of International Importance Especially as Waterfowl Habitat
Ecology--Turkey.
Wetlands--Turkey.
Harvard subject headings:
Convention on Wetlands of International Importance Especially as Waterfowl Habitat
Ecology--Turkey.
Wetlands--Turkey.
Princeton subject headings:
Convention on Wetlands of International Importance Especially as Waterfowl Habitat
Ecology--Turkey.
Wetlands--Turkey.