000			00600nam a22002056 4500
020			_a135275814
041			_aeng
082			_a371.102 _bL438
100			_aJohnson, David W
245			_aLearning together and alone : cooperation, competition and individualization
260			_aEnglewood Cliffs, New Jersey _bLongman _c1987
300			_ax, 214 p. _c24 cm
500			_a002182 _aL 139
500			_a002183 _aL 140
500			_a002186 _aL 141
500			_a002139 _aL 142
650			_aGroup work in education _aInteraction analysis in education
700			_aJohnson,  Roger T
942			_cBOOK
999			_c4874 _d4874