| 000 | 00455nam a2200193Ia 4500 | ||
|---|---|---|---|
| 005 | 20250619144910.0 | ||
| 008 | 250619s9999||||xx |||||||||||||| ||und|| | ||
| 020 |
_a041682802 _c0.80 |
||
| 040 | _aMAIN | ||
| 041 | _aEnglish | ||
| 082 |
_a370.1523 _bWAL |
||
| 100 | _aWalker, Stephen | ||
| 245 | 0 | _aLearning and reinforcement | |
| 260 |
_aLondon _b; Methuen _c, 1975 |
||
| 300 | _a144p. | ||
| 650 | _aEducation | ||
| 650 | _aLearning | ||
| 942 | _cBK | ||
| 999 |
_c115487 _d115487 |
||