000			00434nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0335159834
082			_a371.102 _bCAS
100			_aHammersley. Martyn _9774
245			_aCase studies in classroom research
260			_bOpen University Press, _c1986. _aPhliadelphia :
300			_axvi,269p.; _c22cm
650		0	_967 _aPrimary Education
942			_2ddc _cLM
999			_c38121 _d38121