| 000 | 00468nam a2200145Ia 4500 | ||
|---|---|---|---|
| 999 |
_c57508 _d57508 |
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| 005 | 20220818155114.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 041 | _aEN | ||
| 082 |
_a370.15 _bBEH _223 |
||
| 245 |
_aBEHAVIOR modification in education: _bthe seventy-second yearbook of the national society for the study of education-part 1 / |
||
| 260 |
_aChicago _bUniversity of chicago Press _c1973 |
||
| 300 | _axiii, 474 p. | ||
| 500 | _aIncludes index. | ||
| 942 | _cS | ||