000 00306nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a510 712 KEN
100 _aKenya mathematics teachers' group
245 0 _aHeinemann secondary school mathematics.
260 _aNairobi
_b Heinemann
_c1987
942 _cANF
999 _c315298
_d315298