- 2345
- 1978-11-29
science: أبحاث علمية
- 2225
- 1978-07-30
- 2174
- 1978-06-09
- 2062
- 1978-02-14
- 2043
- 1978-01-26
- 2039
- 1978-01-22
- 1868
- 1977-08-01
- 1857
- 1977-07-21
- 1749
- 1977-04-03
- 1747
- 1977-04-01
- 1745
- 1977-03-30
- 1647
- 1976-12-18
- 1604
- 1976-11-03
- 1489
- 1976-07-10
- 1417
- 1976-04-29
- 1346
- 1976-02-17
- 1203
- 1975-09-24
- 1096
- 1975-06-09
- 1025
- 1975-03-30
- 865
- 1974-10-16