000 00284nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aPrasad, Janardanand and Kaushik Vijay Kumari
245 _aAdvanced Educational Technology
260 _aNew Delhi
_bKrishna Publ. & Distr.
942 _cBK
999 _c4024
_d4024