000 | 00309pam a2200121a 44500 | ||
---|---|---|---|
082 |
_a371.33 _bL971t |
||
100 | _aLumsdaine, A. A. | ||
245 | 1 | _aTEACHING MACHINES AND PROGRAMMED LEARNING | |
260 |
_aU. S. A. _bNational Education Association _c1960 |
||
300 | _a724 | ||
964 | _gCIRC | ||
997 | _a57217 C | ||
999 |
_c423523 _d423523 |