| 000 | 00389nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 140624s9999 xx 000 0 und d | ||
| 100 | _aPiaget, Jean | ||
| 245 | _aTo understand is to invent : the future of education | ||
| 250 | _aNULL | ||
| 250 | _bPenguin | ||
| 260 | _aHarmondsworth, Middlesex | ||
| 260 | _c1980 | ||
| 650 | _aPSICOPEDAGOGÍA EDUCACIÓN PSICOLOGÍA DESARROLLO COGNITIVO | ||
| 999 |
_c27759 _d27759 |
||