000			00403nam a2200145Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0521378742
082			_a372.7 _bUSI
245			_aUsing investigations : an introduction to ways of working
260			_bCambridge university press, _c1989. _aNew York:
300			_a80p.; _c30cm
650			_aPrimary Education
942			_2ddc _cLM
999			_c29476 _d29476