- 5015
- 1986-04-27
education: الأبحاث العلمية
- 4988
- 1986-03-31
- 4923
- 1986-01-25
- 4840
- 1985-11-02
- 4836
- 1985-10-29
- 4792
- 1985-09-14
- 4791
- 1985-09-13
- 4714
- 1985-06-27
- 4605
- 1985-03-09
- 4505
- 1984-11-28
- 4312
- 1984-05-16
- 4242
- 1984-03-06
- 4241
- 1984-03-05
- 4239
- 1984-03-03
- 4208
- 1984-01-31
- 4134
- 1983-11-16
- 4131
- 1983-11-13
- 4122
- 1983-11-04
- 3979
- 1983-06-11
- 3903
- 1983-03-26