SUFISM AND THE STUDY OF ISLAM IN WEST-AFRICA -INSTITUTIONS INFLUENCEDBY ISLAM - THE CASE OF AL-HAJJ-UMAR( AN HISTORICAL STUDY OF THE EVOLUTION OF ISLAMIC IDEAS AND THE DEVELOPMENT OF SOCIAL AND POLITICAL)
J. Hunwick, SUFISM AND THE STUDY OF ISLAM IN WEST-AFRICA -INSTITUTIONS INFLUENCEDBY ISLAM - THE CASE OF AL-HAJJ-UMAR( AN HISTORICAL STUDY OF THE EVOLUTION OF ISLAMIC IDEAS AND THE DEVELOPMENT OF SOCIAL AND POLITICAL), Der Islam, 71(2), 1994, pp. 308-328