Columbia subject headings:
Harvard subject headings:
Contracts--Congresses.
Economics--Religious aspects--Islam--Congresses
Financial instruments--Congresses.
Investments--Religious aspects--Islam--Congresses.
Stock exchanges--Religious aspects--Islam--Congresses.
Princeton subject headings:
Contracts--Congresses.
Economics--Religious aspects--Islam--Congresses.
Financial instruments--Congresses.
Investment analysis--Congresses.
Investments--Religious aspects--Islam--Congresses.
Stock exchanges--Religious aspects--Islam--Congresses.