000 00414nam a2200133Ia 4500
008 240531s9999 xx 000 0 und d
020 _a978 9966 8465 8 7 9966 846 58 1
082 _a540 202 SIG
100 _aSigei, Joel
245 0 _aSecondary school chemistry : form 1 teachers' guide
260 _aNairobi
_b University of Nairobi
_c2004
650 _aCHEMISTRY STUDY AND TEACHING SECONDARY
942 _cANF
999 _c341351
_d341351