- 1294
- 1975-12-26
science: الكيمياء
- 1247
- 1975-11-08
- 1245
- 1975-11-06
- 1243
- 1975-11-04
- 1224
- 1975-10-16
- 1199
- 1975-09-20
- 1118
- 1975-07-01
- 1091
- 1975-06-04
- 1026
- 1975-03-31
- 975
- 1975-02-08
- 967
- 1975-01-31
- 952
- 1975-01-16
- 946
- 1975-01-10
- 929
- 1974-12-21
- 915
- 1974-12-07
- 881
- 1974-11-03
- 869
- 1974-10-22
- 854
- 1974-10-05
- 842
- 1974-09-23
- 830
- 1974-09-11