| 1. | No. 1 | |
| Volume 48, Issue 1, March 1980 | ||
| 2. | No. 10 | |
| Volume 48, Issue 2, March 1980 | ||
| 3. | No. 11 | |
| Volume 48, Issue 2, March 1980 | ||
| 4. | No. 12 | |
| Volume 48, Issue 2, March 1980 | ||
| 5. | No. 13 | |
| Volume 48, Issue 2, March 1980 | ||
| 6. | No. 14 | |
| Volume 48, Issue 2, March 1980 | ||
| 7. | No. 15 | |
| Volume 48, Issue 2, March 1980 | ||
| 8. | No. 16 | |
| Volume 48, Issue 2, March 1980 | ||
| 9. | No. 17 | |
| Volume 48, Issue 2, March 1980 | ||
| 10. | No. 18 | |
| Volume 48, Issue 2, March 1980 | ||
| 11. | No. 2 | |
| Volume 48, Issue 1, March 1980 | ||
| 12. | No. 3 | |
| Volume 48, Issue 1, March 1980 | ||
| 13. | No. 4 | |
| Volume 48, Issue 1, March 1980 | ||
| 14. | No. 5 | |
| Volume 48, Issue 1, March 1980 | ||
| 15. | No. 6 | |
| Volume 48, Issue 1, March 1980 | ||
| 16. | No. 7 | |
| Volume 48, Issue 1, March 1980 | ||
| 17. | No. 8 | |
| Volume 48, Issue 1, March 1980 | ||
| 18. | No. 9 | |
| Volume 48, Issue 1, March 1980 | ||
Journal management system. designed by sinaweb