| 000 | 00375nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 180613s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a256001197 | ||
| 041 | _aen | ||
| 082 | _a310 | ||
| 100 | _aMASON, Robert D. | ||
| 245 | 0 | _aProgrammed learning aid for business and economic statistics | |
| 260 |
_aU.S.A, _bLearning systems _c1978 |
||
| 300 | _axi, 166p. | ||
| 942 | _cSR | ||
| 999 |
_c80604 _d80604 |
||