000 00303nam a22001337a 4500
003 OSt
100 _aSuresh Chandra, Pachauri
245 _aEducational Technology
260 _aNew Delhi
_bAPH Pub.
_c2016
300 _a258p.
700 _aSuresh Chandra, Pachauri
901 _a789MED
942 _2ddc
_cBK
999 _c34373
_d34373