- 3032
- 1980-10-22
economy: الموارد الطبيعية
- 3014
- 1980-10-04
- 2986
- 1980-09-06
- 2982
- 1980-09-02
- 2967
- 1980-08-18
- 2866
- 1980-05-08
- 2853
- 1980-04-25
- 2847
- 1980-04-19
- 2663
- 1979-10-14
- 2569
- 1979-07-11
- 2509
- 1979-05-12
- 2321
- 1978-11-04
- 2308
- 1978-10-22
- 2273
- 1978-09-17
- 2270
- 1978-09-14
- 2267
- 1978-09-11
- 2260
- 1978-08-03
- 2236
- 1978-08-10
- 2137
- 1978-04-30
- 2002
- 1977-12-16