000 00506nam a2200193Ia 4500
005 20250619144839.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _c
_2.25
040 _aMAIN
041 _aEnglish
082 _a371.25
_bMIC
100 _aMichael, Jack L., Waina, Carole S. and Baker, Robert L.
245 0 _aManaging classroom contingencies
260 _aNew York
_b; Van Nostrand Reinhold
_c, 1971
300 _a248p.
650 _aClassroom
650 _aEducation
942 _cBK
999 _c114057
_d114057