| 000 | 00310nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aLeedhan Jonh and Unwin , Derick | ||
| 942 | _cBK | ||
| 245 | _aProgrammed learning in the schools | ||
| 260 |
_aLandan _bLaongmans , Green and co _c1967 |
||
| 082 |
_a371.394 _bLee/Uno |
||
| 300 | _axx,140 | ||
| 546 | _aEnglish | ||
| 999 |
_c338255 _d338255 |
||
| 041 | _aeng | ||