- 6294
- 1989-11-16
education: تاريخ العلوم
- 6281
- 1989-11-03
- 6267
- 1989-10-20
- 6201
- 1989-08-15
- 5908
- 1988-10-23
- 5901
- 1988-10-16
- 5559
- 1987-11-03
- 5477
- 1987-08-12
- 5451
- 1987-07-16
- 5436
- 1987-07-01
- 5419
- 1987-06-14
- 5379
- 1987-05-04
- 5263
- 1987-01-06
- 5207
- 1986-11-09
- 5081
- 1986-07-03
- 4957
- 1986-02-28
- 4905
- 1986-01-07
- 4901
- 1986-01-03
- 4899
- 1985-12-31
- 4895
- 1985-12-27