000 00545nam a22001817a 4500
999 _c194972
_d194972
005 20230206103211.0
010 _aENG-136118
020 _a9788189005801
_c175.00
035 _aEN-119650
037 _bDBAD/PUB
082 _a371.33
100 _aC.P. Singh
245 _aAdvanced Educational Technology/
_cC.P. Singh
260 _aNew Delhi
_bLotus Press
_c2011
270 _a4263/3, Ansari Road, Darya Ganj
_bNew Delhi
_e110002
_mlotus_press@sify.com
300 _a254p.
_bIndex
_c22cm(pbk)
942 _2ddc
_cEN
_h371.33
_mADV