Ittiḥād al-ʻĀmm li-Ṭullāb al-Yaman. (4th 1987 Yemen)

• Faʻālīyāt al-Muʼtamar al-ʻĀmm al-Rābīʻ lil-Ittiḥād al-ʻĀmm li-Ṭullāb al-Yaman