Columbia subject headings:
Economics--Religious aspects--Islam--Congresses.
Turkey--Economic conditions--1960---Congresses.
Zakat--Congresses.
Harvard subject headings:
Economics--Religious aspects--Islam--Congresses
Turkey--Economic conditions--1960---Congresses.
Zakat--Congresses.
Princeton subject headings:
Economics--Religious aspects--Islam--Congresses.
Turkey--Economic conditions--1960---Congresses.
Zakat--Congresses.