000 00282nam a22001217a 4500
003 SGT
082 _bPES
100 _aPESHAWARIA, REETA
245 _aBEHAVIOURAL APPROCH IN TEACHING MENTALLY RETARDED CHILDREN
260 _aDELHI
_bNIMH
_c1999
300 _a263
942 _2ddc
_cBK
999 _c19975
_d19975