000 00326nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c495
040 _aBED
100 _aPrasad, Janardan
245 0 _aAdvanced Education Technology
260 _bKanishka Pub.
_aNew Delhi
300 _a280
500 _a3310
942 _cBK
999 _c3310
_d3310