- 4039
- 1983-08-11
technology: الأبحاث العلمية
- 3973
- 1983-06-05
- 3934
- 1983-04-26
- 3862
- 1983-02-12
- 3828
- 1983-01-09
- 3827
- 1983-01-08
- 3802
- 1982-12-12
- 3730
- 1982-10-01
- 3694
- 1982-08-25
- 3634
- 1982-03-15
- 3387
- 1981-10-17
- 3249
- 1981-05-29
- 3169
- 1981-03-10
- 3140
- 1981-02-08
- 3122
- 1981-01-21
- 3086
- 1980-12-15
- 3047
- 1980-11-06
- 3040
- 1980-10-30
- 2998
- 1980-09-18
- 2979
- 1980-08-30