| 000 | 00406nam a22001217a 4500 | ||
|---|---|---|---|
| 082 |
_a370 _bRES.R |
||
| 245 | _aResearch in education / | ||
| 260 | _bERIC, | ||
| 500 | _aMarch-April 1969 Jan-Feb 1971 Feb-June 1972 Oct-Dec 1972 sep-Oct 1970 Jan- Feb 1970 | ||
| 505 | _aMarch-April 1969 Jan-Feb 1971 Feb-June 1972 Oct-Dec 1972 sep-Oct 1970 Jan- Feb 1970 | ||
| 650 | _aEducation | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c724688 _d724688 |
||