Columbia subject headings:
Conditional sales (Islamic law)
Interest (Islamic law)
Internet marketing (Islamic law)
Loans (Islamic law)
Murābaḥah.
Harvard subject headings:
Conditional sales (Islamic law)
Interest (Islamic law)
Internet marketing (Islamic law)
Loans (Islamic law)
Murābaḥah
Princeton subject headings:
Conditional sales (Islamic law)
Interest (Islamic law)
Internet marketing (Islamic law)
Loans (Islamic law)