000 00253nam a2200109Ia 4500
008 220201s1996 xx 000 0 eng d
100 _aVENKATAINH N
245 0 _aEDUCATIONAL TECHNOLOGY
260 _aDELHI
_bAPH PUB
_c1996
300 _a234
942 _2ddc
999 _c91757
_d91757