Ḥalqah lil-Dirāsāt wa-al-Buḥūth al-Iḥsāʼīyah wa-al-Ḥisābāt al-ʻIlmīyah (9th 1973 Duqqī, Jīzah, Egypt)

• The ninth Conference on Statistics and Computational Science, 24-29 March 1973