000 00286nam a2200121Ia 4500
100 _aGlidewell,John C
020 _a0-470-15078-5
942 _cBK
245 _aThe social context of learning and deveopment
260 _aJohn W, New York
_c1977
082 _a370.193 Gli
300 _ax,239
999 _c7189
_d7189