000 00288nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _a370
_bVAN
100 _aVanaja, M.
245 0 _aEducational Technology
250 _a1st
260 _bNeelkamal
_c2007
300 _a308
942 _cBK
999 _c2306
_d2306