| 000 | 00387cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1960 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP41 In8 | ||
| 245 |
_aPreparation of general secondary school curricula _cby International Bureau of Education |
||
| 260 |
_aGeneva _bInternational Bureau of Education _c1960 |
||
| 300 | _a330+p. | ||
| 700 | _aSwitzerland. International Bureau of Education | ||
| 999 |
_c414924 _d414924 |
||