000 00438nam a2200169Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a304324175
040 _cLDD
100 _aHouse, John Back
245 0 _aImproving the larning of mathimatics
_cJohn Back House
260 _aLondon
_bCasell
_c1992
300 _axv, 173
440 _aChildren, teachers and learning
901 _a585
_b02-12-1996
942 _2ddc
_cBK
999 _c48713
_d48713