| 000 | 00375cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1962 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP4 Un3o | ||
| 245 |
_aThe organization of the school year: a comparative study _cby Unesco |
||
| 260 |
_aParis _bUnesco Publications _c1962 |
||
| 300 | _a113p. | ||
| 440 | _aEducational studies and documents No. 43 | ||
| 700 | _aFrace. Unesco | ||
| 999 |
_c494500 _d494500 |
||