| 000 | 00405cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1970 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aK5x73 Un3p | ||
| 245 |
_aProgrammed instruction: a brief of its development and current status _cby Civil Service Commission, United States |
||
| 260 |
_aWashington _bGovernment Prinitng Office _c1970 |
||
| 300 | _a52+p. | ||
| 700 | _aUnited States. Civil Service Commission | ||
| 999 |
_c500031 _d500031 |
||