000 00320nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _aJ510 0713MIM
100 _aM'imanyara ,Alfred M.
245 0 _aCommon mistakes in primary mathematics and how to avoid them.
260 _aNairobi
_b Double Crown
_c1980
942 _cJNF
999 _c319338
_d319338