- 1745
- 1977-03-30
education: الرياضيات المعاصرة
- 1742
- 1977-03-27
- 1728
- 1977-03-13
- 1688
- 1977-01-30
- 1568
- 1976-09-28
- 1465
- 1976-06-16
- 1464
- 1976-06-15
- 1463
- 1976-06-14
- 1363
- 1976-03-06
- 1333
- 1976-02-04
- 1332
- 1976-02-03
- 1331
- 1976-02-02
- 1330
- 1976-02-01
- 1117
- 1975-06-30
- 891
- 1974-11-13