- 6690
- 1991-11-24
education: التعاون الأكاديمي
- 6446
- 1990-04-18
- 6341
- 1990-01-03
- 6325
- 1989-12-17
- 6072
- 1989-04-06
- 6023
- 1989-02-16
- 5838
- 1988-08-14
- 5768
- 1988-06-03
- 5694
- 1988-03-20
- 5641
- 1988-01-26
- 5640
- 1988-01-25
- 5510
- 1987-09-15
- 5368
- 1987-04-23
- 5294
- 1987-02-06
- 5239
- 1986-12-12
- 5198
- 1986-10-31
- 4271
- 1984-04-04
- 4259
- 1984-03-23
- 4148
- 1983-11-30
- 4103
- 1983-10-16