Columbia subject headings:
Harvard subject headings:
Architecture--Armenia (Republic)--Yerevan.
City planning--Armenia (Republic)--Yerevan.
Sociology, Urban--Armenia (Republic)--Yerevan.
Yerevan (Armenia)--Economic conditions.
Yerevan (Armenia)--Social conditions.
Princeton subject headings:
Architecture--Armenia (Republic)--Yerevan.
City planning--Armenia (Republic)--Yerevan.
Sociology, Urban--Armenia (Republic)--Yerevan.
Yerevan (Armenia)--Economic conditions.
Yerevan (Armenia)--Social conditions.