000 00278nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aPachauri, Suresh Chandra
245 0 _aAdvanced Educational Technology
260 _aNew Delhi
_bA.P.H.
_c2013
300 _a219p.
942 _cBK
999 _c15588
_d15588