| 000 | 00451nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20250913131724.0 | ||
| 008 | 250913s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aEnglish | ||
| 245 | 0 | _aSeventh Report of The International Clearinghouse on Science and Mathematics Curricular Development 1970 | |
| 260 |
_aMaryland : _bUniversity of Maryland, _c1970 |
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| 300 |
_aiv, 640p.; _c25cm |
||
| 650 | _aReport | ||
| 700 | _aLockard, David J. | ||
| 942 | _cRP | ||
| 999 |
_c155365 _d155365 |
||