- 4888
- 1985-12-20
education: تاريخ العلوم
- 4867
- 1985-11-29
- 4666
- 1985-05-09
- 4562
- 1985-01-25
- 4518
- 1984-12-11
- 4228
- 1984-02-20
- 4189
- 1984-01-12
- 4152
- 1983-12-04
- 4086
- 1983-09-28
- 4081
- 1983-09-23
- 4065
- 1983-09-06
- 3903
- 1983-03-26
- 3885
- 1983-03-08
- 3845
- 1983-01-26
- 3815
- 1982-12-25
- 3668
- 1982-07-30
- 3553
- 1982-04-03
- 3550
- 1982-03-31
- 3261
- 1981-06-10
- 3116
- 1981-01-15