000 00289nam0a22001210a04500
001 000029401
005 20190419110752.0
008 s1986 000 0 eng d
035 _a2001029757
245 1 0 _aClassroom observation of teacher
260 _bN.P.,
_c1986
942 _2lcc
_cBK
999 _c138256
_d138256