| 000 | 00907cam a2200265 4500 | ||
|---|---|---|---|
| 001 | hew68000126 | ||
| 003 | DLC | ||
| 005 | 20260227111517.0 | ||
| 008 | 690307s1968 dcua 00000 eng c | ||
| 010 | _ahew68000126 //r85 | ||
| 040 | _aU.S. Dept. of Health, Education and Welfare. Library L112.A71358 | ||
| 043 | _an-us--- | ||
| 050 | 0 |
_aL112 _b.A48 |
|
| 082 | _a370/.78/4 | ||
| 110 | 1 | 0 |
_aUnited States. _bOffice of Education. _bBureau of Research. |
| 245 | 1 | 0 | _aResearch and development: advances in education. |
| 260 | 0 |
_aWashington, _bFor sale by the Supt. of Docs., U.S. Govt. Print. Off., _c1968. |
|
| 300 |
_a107 p. _billus. _c24 cm. |
||
| 350 | _a1.50 | ||
| 500 | _a"OE 12034." | ||
| 650 | 0 |
_aEducational innovations _zUnited States. |
|
| 650 | 0 |
_aEducation _xResearch _zUnited States. |
|
| 650 | 4 |
_aEducational innovations _zUnited States. |
|
| 650 | 4 |
_aEducational research _zUnited States. |
|
| 999 |
_c34805 _d34805 |
||