- 3440
- 1981-12-09
economy: تحلية المياه
- 3361
- 1981-09-19
- 3043
- 1980-11-02
- 3017
- 1980-10-07
- 2887
- 1980-05-29
- 2878
- 1980-05-20
- 2853
- 1980-04-25
- 2641
- 1979-09-22
- 2607
- 1979-08-18
- 2323
- 1978-11-06
- 2322
- 1978-11-05
- 2277
- 1978-09-21
- 2130
- 1978-04-23
- 2120
- 1978-04-13
- 2109
- 1978-04-02
- 2070
- 1978-02-22
- 2023
- 1978-01-06
- 1985
- 1977-11-28
- 1982
- 1977-11-25
- 1980
- 1977-11-23