000 | 00296nam a22000977a 4500 | ||
---|---|---|---|
008 | 150904b xxu||||| |||| 00| 0 eng d | ||
082 | _a370.712 2 ENG | ||
100 | _aENGELMANN, SIEGFRIED | ||
245 | _aPREVENTING FAILURE IN THE PRIMARY GRADES | ||
260 |
_aCHICAGO _bSCIENCE RESEARCH ASSOCIATES,INC. _c1969 |
||
999 |
_c2184 _d2184 |