000 00396nam a22001337a 4500
008 150724b xxu||||| |||| 00| 0 eng d
020 _a99976600798
050 _aQD42
_b.M39 1992
100 _aMazengo, Richard
_927063
245 _aComprehensive O-level chemistry
_cRichard Mazengo
260 _aDar es salaam university
_bR.Z.mazengo
_cc 1992
300 _a552p.:
_bill,
_c24cm
942 _2lcc
_cBK
999 _c12055
_d12055