| 000 | 00404cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1971 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aO954 B543 | ||
| 100 | _aJoan S.Bissell | ||
| 245 |
_aImplementation of planned variation in headstart : first year Report _cby Bissell, Joan S. |
||
| 260 |
_a _bNational Institute of Child health And Human Development _c1971 |
||
| 300 | _av,44p | ||
| 650 | _aChild Study. | ||
| 999 |
_c414965 _d414965 |
||