| 000 | 00346nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a395247314 | ||
| 082 |
_a372.35 _bMOD |
||
| 245 | _aMODULAR activities program in science | ||
| 260 |
_aBoston _bHoughton Mifflin pub. _c1977 |
||
| 300 | _a216 p. | ||
| 650 | _aElementary education | ||
| 942 | _cS | ||
| 999 |
_c28017 _d28017 |
||