000 00285nam a2200121Ia 4500
100 _aSingh, Uttam Kumar & Nayak, A K
020 _a81-7169-432-2
942 _cBK
245 _aSpecial education
260 _aCommonwealth, New Delhi
_c1997
082 _a371.9 Sin/Nay
300 _av,314p
999 _c34614
_d34614