Title: Taʻāwunīyāt wa-al-ṣināʻāt al-ṣughrá wa-al-rīfīyah fī al-waṭan al-ʻArabī, al-Khartūm, 2-9 Fabrāyir, 1978
Subjects: Cooperation, Congresses, Cooperative societies, Cooperative marketing of farm produce