000 00351nam a2200145Ia 4500
700 _aHagerstrand, T (ed.)
100 _aHagerstrand, T
020 _a0-521-30087 8
942 _cBK
654 _a
245 _aIdentification of progress in learning
260 _aLondon
_bCambridge University Press
_c1985
082 _a001
300 _bHb
_axii,204
999 _c345182
_d345182
041 _aeng