000 00315nam a2200133Ia 4500
100 _aStubbs Michael & Delamont Sara
020 _a0-471-83481-5
942 _cBK
654 _a
245 _aExplorations in Classroom observation
260 _aNew York
_bJohn Wiley
_c1976
082 _a370.78
300 _c23 . 5
999 _c393192
_d393192
041 _aeng