| 000 | 00339nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aDonald B Helms and Jeffrey S Turner | ||
| 020 | _a0-7216-4650-6 | ||
| 942 | _cBK | ||
| 245 | _aStudent's workbook for exploring child behavior : basic principles | ||
| 260 |
_aW B Saunders, Philadelphia _c1978 |
||
| 082 | _a136.7 Hel/Tur | ||
| 300 | _av,157p | ||
| 999 |
_c7198 _d7198 |
||