Columbia subject headings:
Istanbul (Turkey)--Social conditions--21st century.
Refugees--Turkey--Istanbul.
Syrians--Turkey--Istanbul.
Harvard subject headings:
Istanbul (Turkey)--Social conditions--21st century.
Refugees--Turkey--Istanbul.
Syrians--Turkey--Istanbul.
Princeton subject headings:
Istanbul (Turkey)--Social conditions--21st century.
Refugees--Turkey--Istanbul.
Syrians--Turkey--Istanbul.