Columbia subject headings:
Harvard subject headings:
Older people--Serbia--Belgrade--Social conditions.
Quality of life--Research--Serbia--Belgrade.
Retirees--Serbia--Belgrade--Social conditions.
Well-being--Age factors--Serbia--Belgrade.
Princeton subject headings:
Older people--Serbia--Belgrade--Social conditions.
Quality of life--Research--Serbia--Belgrade.
Retirees--Serbia--Belgrade--Social conditions.
Well-being--Age factors--Serbia--Belgrade.