000 00296nam a2200121 4500
082 _a370
_bPER.T
084 _2Colon Classification
100 _aPerry, Natalic
245 _aTeaching the mentally retarted child /
_cby Natalic Perry
260 _bColumbia,
650 _aEducation
942 _cBK
999 _c678614
_d678614