000 00260nam a2200109Ia 4500
008 170101s1990 xx 000 0 und d
082 _a301.2 CHA
100 _aChomd, Tara
245 0 _aEducation technology
260 _aDelhi
_bAmnol
_c1990
942 _2ddc
_cRS
999 _c383331
_d383331