Muʻtamar li-Wuzarāʾ al-Tarbiyah wa-al-Taʻlīm al-ʻArab (4th 1972 Ṣanʻāʾ, Yemen)

• al- Muʾtamar al-Rābiʻ li-Wuzarāʾ al-Tarbiyah wa-al-Taʻlīm al-ʻArab, Ṣanʻāʾ, 23-28/12/1972