| 000 | 00462nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a371.26 _bRb-73-2 |
||
| 100 | _aRubin Donald B | ||
| 245 | _aMissing at random what does it mean? | ||
| 260 |
_aNew Jersey _bETS _c1973 |
||
| 440 | _aEducational Testing Service. Princeton : Research bulletin; 2 | ||
| 650 | _aEducational tests and measurements | ||
| 942 | _cBK | ||
| 999 |
_c79329 _d79329 |
||