Author: Ḥalqah al-Dirāsīyah ʻan Nuẓum al-Maʻlūmāt wa-al-Tawthīq li-Mustakhdimī al-Maʻlūmāt fī Majāl al-ʻUlūm al-Ijtimāʻīyah (1980 Tangier, Morocco)