- 3898
- 1983-03-21
education: البحث العلمي
- 3896
- 1983-03-19
- 3895
- 1983-03-18
- 3892
- 1983-03-15
- 3887
- 1983-03-10
- 3886
- 1983-03-09
- 3885
- 1983-03-08
- 3881
- 1983-03-04
- 3874
- 1983-02-24
- 3872
- 1983-02-22
- 3871
- 1983-02-21
- 3867
- 1983-02-17
- 3866
- 1983-02-16
- 3863
- 1983-02-13
- 3861
- 1983-02-11
- 3857
- 1983-02-07
- 3851
- 1983-02-01
- 3847
- 1983-01-28
- 3832
- 1983-01-13
- 3819
- 1982-12-30