| 000 | 00380nam a2200145Ia 4500 | ||
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| 008 | 180612s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a0-25600119-7 | ||
| 041 | _aen | ||
| 082 | _a310 | ||
| 100 | _aMASON D.Robert | ||
| 245 | 0 | _aProgrammed Learning Aid For Business And Economic Statistics | |
| 260 |
_aU.S.A, _bLearning Systems Company _c1978 |
||
| 300 | _a166.P | ||
| 942 | _cPR | ||
| 999 |
_c38936 _d38936 |
||