- 2182
- 1978-06-17
education: الكيمياء
- 2177
- 1978-06-12
- 2172
- 1978-06-04
- 2109
- 1978-04-02
- 2108
- 1978-04-01
- 2105
- 1978-03-29
- 2102
- 1978-03-26
- 2101
- 1978-03-25
- 2066
- 1978-02-18
- 2063
- 1978-02-15
- 2061
- 1978-02-13
- 2040
- 1978-01-23
- 1852
- 1977-07-16
- 1851
- 1977-07-14
- 1751
- 1977-04-05
- 1731
- 1977-03-16
- 1710
- 1977-02-21
- 1706
- 1977-02-17
- 1599
- 1976-10-29
- 1597
- 1976-10-27