| 000 | 00358nam a2200133Ia 4500 | ||
|---|---|---|---|
| 005 | 20250913131717.0 | ||
| 008 | 250913s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aEnglish | ||
| 245 | 0 | _aReaserch Bulletin of the National institute for educational reaserch No.20 | |
| 260 |
_aJapan : _c1981 |
||
| 300 |
_a183p.; _c25cm |
||
| 650 | _aBulleting | ||
| 942 | _cBT | ||
| 999 |
_c154893 _d154893 |
||