000 | 00373nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 180710s9999 xx 000 0 und d | ||
020 | _a76066 | ||
082 |
_a370.15 _bDRU |
||
100 | _aDRUMMOND, Margaret | ||
245 | 4 | _aThe psychology and teaching of number | |
260 |
_aLondon _bGeorge G.Harrap _c1922 |
||
300 | _a125 p. | ||
650 | _aEducational psychology | ||
942 | _cS | ||
999 |
_c86998 _d86998 |