000 00445nam a2200181Ia 4500
001 6502
008 240126s9999||||xx |||||||||||||| ||und||
020 _cUKP 3.95
037 _cUKP 3.95
082 _a371.1 PET
100 _aPeter Davies R.
_94031
245 0 _aMixed ability grouping: Possibilities and experiences in the secondary school
260 _aLondon
260 _bTemple Smith
260 _c1975
300 _a214p.
942 _cBK
999 _c6502
_d6502