000 00266nam a2200121Ia 4500
100 _aSumner, W. L.
942 _cBK
654 _a
245 _aVisual Methods in Education
260 _aOxford
_bBasil Blackwell
_c1956
082 _a371.335
300 _c29.8cm
_a8231
999 _c403571
_d403571
041 _aeng