000 00333nam a2200145Ia 4500
082 _a371.3/Sha
100 _aSharma, Shashi Prabha
526 _dNTB
526 _aPG
942 _cBK
245 _aElementary educational technology and management
260 _aNew Delhi
_bKanishka Publ.
_c2015
300 _aviii,290
546 _aE
999 _c77025
_d77025