| 000 | 00643naa a2200145Ia 4500 | ||
|---|---|---|---|
| 003 | ES-SlBCS | ||
| 005 | 20210601152555.0 | ||
| 008 | 140519s1968 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 | 1 |
_aCrandall, Virginia C. _9347955 |
|
| 245 | 0 | 0 |
_aChildren's Beliefs in Their Own Control of Reinceforcements in Intellectual-Achievemet Situations _cVirginia C. Crandall, Walter Katkovsky, Vaughn J. Crandall |
| 650 | 4 |
_aNiño-Comportamiento _9348200 |
|
| 773 | 0 |
_tChildren Readings in Behaviour and Development / Ellis D. Evans _dNew York - London - Montreal : Holt, Rinehart and Winston, Inc., 1968 _g, págs. 205-225 _wVA35195 |
|
| 942 | _cAC | ||
| 999 |
_c777364 _d777364 |
||