Keffi, U. D. (1990). Some aspects of Islamic law of succession. Centre for Islamic Legal Studies, Inst. of Administration, Ahmadu Bello Univ.
Tohutoru Kātū Chicago (17th ed.)Keffi, Uthman Danladi. Some Aspects of Islamic Law of Succession. Zaria: Centre for Islamic Legal Studies, Inst. of Administration, Ahmadu Bello Univ, 1990.
Tohutoro MLA (9th ed.)Keffi, Uthman Danladi. Some Aspects of Islamic Law of Succession. Centre for Islamic Legal Studies, Inst. of Administration, Ahmadu Bello Univ, 1990.
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