- 664
- 1974-03-29
science: البحث العلمي
- 660
- 1974-03-25
- 659
- 1974-03-24
- 652
- 1974-03-17
- 608
- 1974-02-01
- 584
- 1974-01-08
- 429
- 1973-07-13
- 411
- 1973-06-22
- 298
- 1973-02-11
- 277
- 1973-01-17
- 274
- 1973-01-11
- 273
- 1973-01-10
- 225
- 1972-11-14
- 213
- 1972-10-26
- 208
- 1972-10-20
- 205
- 1972-10-17
- 149
- 1972-08-13
- 128
- 1972-07-19