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003 OSt
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008 170825s2001||||-us||||||b||||||||||eng||
020 _a0941355349
082 _a420 SH542l
100 _aShffield, Stephanie
245 _aLessons for first grade:teaching arithmetic/Stephanie Sheffield
264 _aEstados Unidos:Math Solutions Publications
300 _a157 p.
650 _aInglésÌ
942 _2ddc
_cBK
999 _c18317
_d18317