000 00378nam a2200145 4500
003 OSt
008 220602b |||||||| |||| 00| 0 eng d
082 _a371.4
_bCAL
100 _aCaldwell,E.
245 _aGroup techniques for the classroom teacher
260 _bScience reserch associate inc,
_c1960
300 _a86p.;
_c22cm
650 0 _aSocial Sciences
942 _2ddc
_cLM
999 _c140893
_d140893