000 00294nam a2200097Ia 4500
008 120229s9999 xx 000 0 und d
082 _a371.3028 SAX
100 _aSaxena, N.R.Swarup
245 _aEssentials of educational technology and management
260 _bR.Lal Book
_aNew Delhi
_c2009
999 _c125419
_d125419