000 00276nam a2200097Ia 4500
008 120229s9999 xx 000 0 und d
082 _a371.3028 SHA
100 _aSharma, R.A.
245 _aEducational technology and management
260 _bR. Lall Book
_aMeerut
_c2010
999 _c125451
_d125451