- 8336
- 1996-09-06
international: أبحاث علمية
- 8308
- 1996-08-09
- 8173
- 1996-03-25
- 7911
- 1995-07-02
- 7845
- 1995-04-24
- 7646
- 1994-10-02
- 7628
- 1994-09-14
- 7599
- 1994-08-15
- 7565
- 1994-07-12
- 7386
- 1994-01-08
- 7266
- 1993-09-09
- 7224
- 1993-07-28
- 7181
- 1993-06-15
- 6785
- 1992-03-16
- 6542
- 1990-07-25
- 6372
- 1990-02-03
- 6272
- 1989-10-25
- 6249
- 1989-10-02
- 6225
- 1989-09-08
- 5896
- 1988-10-11