| 000 | 00393cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1965 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP43x42 Un3Q | ||
| 245 |
_aOrganisation of Secondary education _cby Department of Education and Science, United Nation |
||
| 260 |
_aLondon _bHer Majesty's Stationery Office _c1965 |
||
| 300 | _a11p | ||
| 700 | _aUnited Nation. Department of Education and science | ||
| 999 |
_c494651 _d494651 |
||