000			00323nam a2200133Ia 4500
005			20260716043552.0
080			_a06.01.01 E61
100			_aEntwistle, N. J.
245			_aEducational research in action
260			_bUniv. of London P. _aLondonGB _c1972
300			_ax, 342 p.
583			_c2/16/05 _kJOYD
942			_cM _mE61
999			_c49965 _d49965