Muʼtamar Dawr al-Baḥth al-ʻIlmī wa-al-Tiknūlūjiyā fī Tanmiyat wa-Taʻmīr al-Ṣaḥrāʼ al-Gharbīyah (1978 Cairo, Egypt)

• Muʼtamar Dawr al-Baḥth al-ʻIlmī wa-al-Tiknūlūjiyā fī Tanmiyat wa-Taʻmīr al-Ṣaḥrāʼ al-Gharbīyah, 7-9 Māyū 1978, al-Markaz al-Qawmī lil-Buḥūth, al-Duqqī